Finding the Missing Number in a Proportion

Find the missing term.

3: _____ = 12:28

• 8

• 7

• 10

• 9

Find the the missing term.

5:6 = ____:30

• 25

• 20

• 15

• 16

Find the missing term.

4:5 = 32: ______

• 45

• 40

• 35

• 42

Find the missing term.

________ : 4 = 28:16

• 9

• 12

• 7

• 5

Find the missing term.

49:42 = 7: ________

• 8

• 10

• 5

• 6

Find the missing term.

14:2 = _______ :3

• 20

• 7

• 21

• 15

Find the missing term.

15:9 = 5:_______

• 3

• 9

• 6

• 12

Find the missing term.

________ : 5 = 16:20

• 9

• 8

• 5

• 4

Find the missing term.

_______ : 8 = 5:2

• 30

• 24

• 35

• 20

Find the missing term.

14 : 7 = _______:5

• 9

• 10

• 12

• 20