Home / 12,234.38-18,353.10-3,469.28

Finding the Fourth Proportional to 12,234.38, 18,353.10 and 3,469.28

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Solution

The fourth proportional to 12,234.38, 18,353.10 and 3,469.28 is: 5,204.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.38 : 18,353.10 = 3,469.28 : x
  2. Step 2: Convert to fraction form
    12,234.38/18,353.10 = 3,469.28/x
  3. Step 3: Cross multiply
    12,234.38x = 18,353.10 × 3,469.28
  4. Step 4: Simplify right side
    12,234.38x = 63,672,042.77
  5. Step 5: Solve for x
    x = 63,672,042.77/12,234.38
  6. Step 6: Final answer
    x = 5,204.35

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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.