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Finding the Fourth Proportional to 16,617.79, 22,932.01 and 9,447.27

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Solution

The fourth proportional to 16,617.79, 22,932.01 and 9,447.27 is: 13,036.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,617.79 : 22,932.01 = 9,447.27 : x
  2. Step 2: Convert to fraction form
    16,617.79/22,932.01 = 9,447.27/x
  3. Step 3: Cross multiply
    16,617.79x = 22,932.01 × 9,447.27
  4. Step 4: Simplify right side
    16,617.79x = 216,644,890.11
  5. Step 5: Solve for x
    x = 216,644,890.11/16,617.79
  6. Step 6: Final answer
    x = 13,036.93

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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.