Home / 18,081.82-27,121.92-6,395.14

Finding the Fourth Proportional to 18,081.82, 27,121.92 and 6,395.14

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Solution

The fourth proportional to 18,081.82, 27,121.92 and 6,395.14 is: 9,592.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081.82 : 27,121.92 = 6,395.14 : x
  2. Step 2: Convert to fraction form
    18,081.82/27,121.92 = 6,395.14/x
  3. Step 3: Cross multiply
    18,081.82x = 27,121.92 × 6,395.14
  4. Step 4: Simplify right side
    18,081.82x = 173,448,475.47
  5. Step 5: Solve for x
    x = 173,448,475.47/18,081.82
  6. Step 6: Final answer
    x = 9,592.42

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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.