Home / 13,747.50-20,612.00-6,347.88

Finding the Fourth Proportional to 13,747.50, 20,612.00 and 6,347.88

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Solution

The fourth proportional to 13,747.50, 20,612.00 and 6,347.88 is: 9,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.50 : 20,612.00 = 6,347.88 : x
  2. Step 2: Convert to fraction form
    13,747.50/20,612.00 = 6,347.88/x
  3. Step 3: Cross multiply
    13,747.50x = 20,612.00 × 6,347.88
  4. Step 4: Simplify right side
    13,747.50x = 130,842,470.82
  5. Step 5: Solve for x
    x = 130,842,470.82/13,747.50
  6. Step 6: Final answer
    x = 9,517.55

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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.