Home / 18,221.38-27,332.10-5,073.75

Finding the Fourth Proportional to 18,221.38, 27,332.10 and 5,073.75

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Solution

The fourth proportional to 18,221.38, 27,332.10 and 5,073.75 is: 7,610.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221.38 : 27,332.10 = 5,073.75 : x
  2. Step 2: Convert to fraction form
    18,221.38/27,332.10 = 5,073.75/x
  3. Step 3: Cross multiply
    18,221.38x = 27,332.10 × 5,073.75
  4. Step 4: Simplify right side
    18,221.38x = 138,676,242.38
  5. Step 5: Solve for x
    x = 138,676,242.38/18,221.38
  6. Step 6: Final answer
    x = 7,610.63

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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.