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Finding the Fourth Proportional to 16,459.13, 22,713.60 and 9,007.13

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Solution

The fourth proportional to 16,459.13, 22,713.60 and 9,007.13 is: 12,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,459.13 : 22,713.60 = 9,007.13 : x
  2. Step 2: Convert to fraction form
    16,459.13/22,713.60 = 9,007.13/x
  3. Step 3: Cross multiply
    16,459.13x = 22,713.60 × 9,007.13
  4. Step 4: Simplify right side
    16,459.13x = 204,584,347.97
  5. Step 5: Solve for x
    x = 204,584,347.97/16,459.13
  6. Step 6: Final answer
    x = 12,429.84

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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.