Question

Which pair of ratios form a proportion?

Need HELP ASAP PLEASE
5 : 10 and 10 : 15

8 : 12 and 18 : 27

9 : 15 and 24 : 30

6 : 20 and 7 : 30

Answer 1

For being in proportion,
Product of means = Product of extremes

Here,
only pair pair fulfills that

8 : 12 :: 18 : 27

8 × 27 = 12 × 18
216 = 216