Home / 13,863.73-20,789.42-4,000.66

Finding the Fourth Proportional to 13,863.73, 20,789.42 and 4,000.66

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Solution

The fourth proportional to 13,863.73, 20,789.42 and 4,000.66 is: 5,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.73 : 20,789.42 = 4,000.66 : x
  2. Step 2: Convert to fraction form
    13,863.73/20,789.42 = 4,000.66/x
  3. Step 3: Cross multiply
    13,863.73x = 20,789.42 × 4,000.66
  4. Step 4: Simplify right side
    13,863.73x = 83,171,401.02
  5. Step 5: Solve for x
    x = 83,171,401.02/13,863.73
  6. Step 6: Final answer
    x = 5,999.21

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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.