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Finding the Fourth Proportional to 16,110.64, 24,165.96 and 4,423.96

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Solution

The fourth proportional to 16,110.64, 24,165.96 and 4,423.96 is: 6,635.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,110.64 : 24,165.96 = 4,423.96 : x
  2. Step 2: Convert to fraction form
    16,110.64/24,165.96 = 4,423.96/x
  3. Step 3: Cross multiply
    16,110.64x = 24,165.96 × 4,423.96
  4. Step 4: Simplify right side
    16,110.64x = 106,909,240.40
  5. Step 5: Solve for x
    x = 106,909,240.40/16,110.64
  6. Step 6: Final answer
    x = 6,635.94

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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.