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Finding the Fourth Proportional to 11,929.59, 16,462.98 and 6,624.90

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Solution

The fourth proportional to 11,929.59, 16,462.98 and 6,624.90 is: 9,142.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.59 : 16,462.98 = 6,624.90 : x
  2. Step 2: Convert to fraction form
    11,929.59/16,462.98 = 6,624.90/x
  3. Step 3: Cross multiply
    11,929.59x = 16,462.98 × 6,624.90
  4. Step 4: Simplify right side
    11,929.59x = 109,065,596.20
  5. Step 5: Solve for x
    x = 109,065,596.20/11,929.59
  6. Step 6: Final answer
    x = 9,142.44

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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.