Home / 18,468.38-27,703.92-5,990.06

Finding the Fourth Proportional to 18,468.38, 27,703.92 and 5,990.06

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Solution

The fourth proportional to 18,468.38, 27,703.92 and 5,990.06 is: 8,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468.38 : 27,703.92 = 5,990.06 : x
  2. Step 2: Convert to fraction form
    18,468.38/27,703.92 = 5,990.06/x
  3. Step 3: Cross multiply
    18,468.38x = 27,703.92 × 5,990.06
  4. Step 4: Simplify right side
    18,468.38x = 165,948,143.04
  5. Step 5: Solve for x
    x = 165,948,143.04/18,468.38
  6. Step 6: Final answer
    x = 8,985.53

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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.