Home / 21,569.02-29,757.14-12,613.66

Finding the Fourth Proportional to 21,569.02, 29,757.14 and 12,613.66

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Solution

The fourth proportional to 21,569.02, 29,757.14 and 12,613.66 is: 17,402.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,569.02 : 29,757.14 = 12,613.66 : x
  2. Step 2: Convert to fraction form
    21,569.02/29,757.14 = 12,613.66/x
  3. Step 3: Cross multiply
    21,569.02x = 29,757.14 × 12,613.66
  4. Step 4: Simplify right side
    21,569.02x = 375,346,446.53
  5. Step 5: Solve for x
    x = 375,346,446.53/21,569.02
  6. Step 6: Final answer
    x = 17,402.11

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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.