Home / 13,829.40-20,747.17-3,967.92

Finding the Fourth Proportional to 13,829.40, 20,747.17 and 3,967.92

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Solution

The fourth proportional to 13,829.40, 20,747.17 and 3,967.92 is: 5,952.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.40 : 20,747.17 = 3,967.92 : x
  2. Step 2: Convert to fraction form
    13,829.40/20,747.17 = 3,967.92/x
  3. Step 3: Cross multiply
    13,829.40x = 20,747.17 × 3,967.92
  4. Step 4: Simplify right side
    13,829.40x = 82,323,110.79
  5. Step 5: Solve for x
    x = 82,323,110.79/13,829.40
  6. Step 6: Final answer
    x = 5,952.76

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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.