Home / 18,349.38-25,332.89-13,308.75

Finding the Fourth Proportional to 18,349.38, 25,332.89 and 13,308.75

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Solution

The fourth proportional to 18,349.38, 25,332.89 and 13,308.75 is: 18,373.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.38 : 25,332.89 = 13,308.75 : x
  2. Step 2: Convert to fraction form
    18,349.38/25,332.89 = 13,308.75/x
  3. Step 3: Cross multiply
    18,349.38x = 25,332.89 × 13,308.75
  4. Step 4: Simplify right side
    18,349.38x = 337,149,033.24
  5. Step 5: Solve for x
    x = 337,149,033.24/18,349.38
  6. Step 6: Final answer
    x = 18,373.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.