Home / 15,502.16-21,397.32-9,534.80

Finding the Fourth Proportional to 15,502.16, 21,397.32 and 9,534.80

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Solution

The fourth proportional to 15,502.16, 21,397.32 and 9,534.80 is: 13,160.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502.16 : 21,397.32 = 9,534.80 : x
  2. Step 2: Convert to fraction form
    15,502.16/21,397.32 = 9,534.80/x
  3. Step 3: Cross multiply
    15,502.16x = 21,397.32 × 9,534.80
  4. Step 4: Simplify right side
    15,502.16x = 204,019,166.74
  5. Step 5: Solve for x
    x = 204,019,166.74/15,502.16
  6. Step 6: Final answer
    x = 13,160.69

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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.