SOLVING PROPORTIONS WORKSHEET

Solve the following proportions

Questions :

1)  2/r = 12/18

2)  50/20 = 5/h

3)  16/6 = 3d/9

4)  45/27 = x/3

5)  v/84 = 2/21

6)  b/8 = 8/64

7)  13/3 = 26/c

8)  27/15 = 72/a

9)  15/n = 5/12

10)  20/8 = 4k/32

Answers :

1)  r = 3

2)  h = 2

3)  d = 8

4)  x = 5

5)  v = 8

6)  b = 1

7)  c = 6

8)  a = 40

9)  n = 36

10)  k = 20

Solution

Find the Missing Number in each Proportion

1)  3/5 = x/20

2)  x/18 = 2/9

3)  8/x = 3.2/4

4)  x/45 = 16/40 = 24/y

5)  16/36 = x/63 = 36/y = z/117

6)  20m : 70m = $8 : $x

7)  The shadow of a 3m long stick is 4m long. At the same time of the day, if the shadow of a flagstaff is 24 m long, how tall is the flagstaff?

8)  In a school, the ratio of the number of large classrooms to small classrooms is 3:4. If the number of small rooms is 20, then find the number of large rooms.

Solution

Answers :

1)  12

2)  4

3)  10

4)  60

5)  52

6)  28

7)  18

8)  15

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