Home / 13,589.82-20,387.79-6,192.27

Finding the Fourth Proportional to 13,589.82, 20,387.79 and 6,192.27

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Solution

The fourth proportional to 13,589.82, 20,387.79 and 6,192.27 is: 9,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.82 : 20,387.79 = 6,192.27 : x
  2. Step 2: Convert to fraction form
    13,589.82/20,387.79 = 6,192.27/x
  3. Step 3: Cross multiply
    13,589.82x = 20,387.79 × 6,192.27
  4. Step 4: Simplify right side
    13,589.82x = 126,246,700.38
  5. Step 5: Solve for x
    x = 126,246,700.38/13,589.82
  6. Step 6: Final answer
    x = 9,289.80

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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.