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Finding the Fourth Proportional to 14,141.88, 21,192.76 and 10,414.88

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Solution

The fourth proportional to 14,141.88, 21,192.76 and 10,414.88 is: 15,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.88 : 21,192.76 = 10,414.88 : x
  2. Step 2: Convert to fraction form
    14,141.88/21,192.76 = 10,414.88/x
  3. Step 3: Cross multiply
    14,141.88x = 21,192.76 × 10,414.88
  4. Step 4: Simplify right side
    14,141.88x = 220,720,052.27
  5. Step 5: Solve for x
    x = 220,720,052.27/14,141.88
  6. Step 6: Final answer
    x = 15,607.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.