Home / 13,370.31-20,042.22-6,337.89

Finding the Fourth Proportional to 13,370.31, 20,042.22 and 6,337.89

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Solution

The fourth proportional to 13,370.31, 20,042.22 and 6,337.89 is: 9,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.31 : 20,042.22 = 6,337.89 : x
  2. Step 2: Convert to fraction form
    13,370.31/20,042.22 = 6,337.89/x
  3. Step 3: Cross multiply
    13,370.31x = 20,042.22 × 6,337.89
  4. Step 4: Simplify right side
    13,370.31x = 127,025,385.72
  5. Step 5: Solve for x
    x = 127,025,385.72/13,370.31
  6. Step 6: Final answer
    x = 9,500.56

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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.