Home / 13,589.24-20,382.94-3,727.69

Finding the Fourth Proportional to 13,589.24, 20,382.94 and 3,727.69

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Solution

The fourth proportional to 13,589.24, 20,382.94 and 3,727.69 is: 5,591.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.24 : 20,382.94 = 3,727.69 : x
  2. Step 2: Convert to fraction form
    13,589.24/20,382.94 = 3,727.69/x
  3. Step 3: Cross multiply
    13,589.24x = 20,382.94 × 3,727.69
  4. Step 4: Simplify right side
    13,589.24x = 75,981,235.31
  5. Step 5: Solve for x
    x = 75,981,235.31/13,589.24
  6. Step 6: Final answer
    x = 5,591.28

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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.