Home / 13,691.43-20,539.26-5,793.99

Finding the Fourth Proportional to 13,691.43, 20,539.26 and 5,793.99

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Solution

The fourth proportional to 13,691.43, 20,539.26 and 5,793.99 is: 8,691.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691.43 : 20,539.26 = 5,793.99 : x
  2. Step 2: Convert to fraction form
    13,691.43/20,539.26 = 5,793.99/x
  3. Step 3: Cross multiply
    13,691.43x = 20,539.26 × 5,793.99
  4. Step 4: Simplify right side
    13,691.43x = 119,004,135.38
  5. Step 5: Solve for x
    x = 119,004,135.38/13,691.43
  6. Step 6: Final answer
    x = 8,691.87

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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.