Home / 18,221.27-27,332.00-5,073.66

Finding the Fourth Proportional to 18,221.27, 27,332.00 and 5,073.66

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Solution

The fourth proportional to 18,221.27, 27,332.00 and 5,073.66 is: 7,610.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221.27 : 27,332.00 = 5,073.66 : x
  2. Step 2: Convert to fraction form
    18,221.27/27,332.00 = 5,073.66/x
  3. Step 3: Cross multiply
    18,221.27x = 27,332.00 × 5,073.66
  4. Step 4: Simplify right side
    18,221.27x = 138,673,249.75
  5. Step 5: Solve for x
    x = 138,673,249.75/18,221.27
  6. Step 6: Final answer
    x = 7,610.52

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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.