Home / 21,414.57-29,552.18-11,983.11

Finding the Fourth Proportional to 21,414.57, 29,552.18 and 11,983.11

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Solution

The fourth proportional to 21,414.57, 29,552.18 and 11,983.11 is: 16,536.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,414.57 : 29,552.18 = 11,983.11 : x
  2. Step 2: Convert to fraction form
    21,414.57/29,552.18 = 11,983.11/x
  3. Step 3: Cross multiply
    21,414.57x = 29,552.18 × 11,983.11
  4. Step 4: Simplify right side
    21,414.57x = 354,126,963.76
  5. Step 5: Solve for x
    x = 354,126,963.76/21,414.57
  6. Step 6: Final answer
    x = 16,536.73

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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.