Home / 15,577.22-21,504.28-9,612.18

Finding the Fourth Proportional to 15,577.22, 21,504.28 and 9,612.18

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Solution

The fourth proportional to 15,577.22, 21,504.28 and 9,612.18 is: 13,269.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.22 : 21,504.28 = 9,612.18 : x
  2. Step 2: Convert to fraction form
    15,577.22/21,504.28 = 9,612.18/x
  3. Step 3: Cross multiply
    15,577.22x = 21,504.28 × 9,612.18
  4. Step 4: Simplify right side
    15,577.22x = 206,703,010.13
  5. Step 5: Solve for x
    x = 206,703,010.13/15,577.22
  6. Step 6: Final answer
    x = 13,269.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.