Home / 18,221.68-27,324.87-6,372.91

Finding the Fourth Proportional to 18,221.68, 27,324.87 and 6,372.91

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Solution

The fourth proportional to 18,221.68, 27,324.87 and 6,372.91 is: 9,556.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221.68 : 27,324.87 = 6,372.91 : x
  2. Step 2: Convert to fraction form
    18,221.68/27,324.87 = 6,372.91/x
  3. Step 3: Cross multiply
    18,221.68x = 27,324.87 × 6,372.91
  4. Step 4: Simplify right side
    18,221.68x = 174,138,937.27
  5. Step 5: Solve for x
    x = 174,138,937.27/18,221.68
  6. Step 6: Final answer
    x = 9,556.69

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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.