Home / 13,654.38-20,481.96-3,794.38

Finding the Fourth Proportional to 13,654.38, 20,481.96 and 3,794.38

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Solution

The fourth proportional to 13,654.38, 20,481.96 and 3,794.38 is: 5,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.38 : 20,481.96 = 3,794.38 : x
  2. Step 2: Convert to fraction form
    13,654.38/20,481.96 = 3,794.38/x
  3. Step 3: Cross multiply
    13,654.38x = 20,481.96 × 3,794.38
  4. Step 4: Simplify right side
    13,654.38x = 77,716,339.38
  5. Step 5: Solve for x
    x = 77,716,339.38/13,654.38
  6. Step 6: Final answer
    x = 5,691.68

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1.5x scale

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.