Home / 13,393.60-20,092.92-5,388.97

Finding the Fourth Proportional to 13,393.60, 20,092.92 and 5,388.97

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Solution

The fourth proportional to 13,393.60, 20,092.92 and 5,388.97 is: 8,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393.60 : 20,092.92 = 5,388.97 : x
  2. Step 2: Convert to fraction form
    13,393.60/20,092.92 = 5,388.97/x
  3. Step 3: Cross multiply
    13,393.60x = 20,092.92 × 5,388.97
  4. Step 4: Simplify right side
    13,393.60x = 108,280,143.09
  5. Step 5: Solve for x
    x = 108,280,143.09/13,393.60
  6. Step 6: Final answer
    x = 8,084.47

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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.