Home / 18,345.25-27,517.92-6,658.48

Finding the Fourth Proportional to 18,345.25, 27,517.92 and 6,658.48

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Solution

The fourth proportional to 18,345.25, 27,517.92 and 6,658.48 is: 9,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345.25 : 27,517.92 = 6,658.48 : x
  2. Step 2: Convert to fraction form
    18,345.25/27,517.92 = 6,658.48/x
  3. Step 3: Cross multiply
    18,345.25x = 27,517.92 × 6,658.48
  4. Step 4: Simplify right side
    18,345.25x = 183,227,519.96
  5. Step 5: Solve for x
    x = 183,227,519.96/18,345.25
  6. Step 6: Final answer
    x = 9,987.74

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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.