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Finding the Fourth Proportional to 14,892.91, 20,551.41 and 8,179.42

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Solution

The fourth proportional to 14,892.91, 20,551.41 and 8,179.42 is: 11,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,892.91 : 20,551.41 = 8,179.42 : x
  2. Step 2: Convert to fraction form
    14,892.91/20,551.41 = 8,179.42/x
  3. Step 3: Cross multiply
    14,892.91x = 20,551.41 × 8,179.42
  4. Step 4: Simplify right side
    14,892.91x = 168,098,613.98
  5. Step 5: Solve for x
    x = 168,098,613.98/14,892.91
  6. Step 6: Final answer
    x = 11,287.16

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