Home / 18,321.24-27,481.90-6,631.73

Finding the Fourth Proportional to 18,321.24, 27,481.90 and 6,631.73

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Solution

The fourth proportional to 18,321.24, 27,481.90 and 6,631.73 is: 9,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.24 : 27,481.90 = 6,631.73 : x
  2. Step 2: Convert to fraction form
    18,321.24/27,481.90 = 6,631.73/x
  3. Step 3: Cross multiply
    18,321.24x = 27,481.90 × 6,631.73
  4. Step 4: Simplify right side
    18,321.24x = 182,252,540.69
  5. Step 5: Solve for x
    x = 182,252,540.69/18,321.24
  6. Step 6: Final answer
    x = 9,947.61

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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.