Home / 18,192.72-27,286.05-5,046.42

Finding the Fourth Proportional to 18,192.72, 27,286.05 and 5,046.42

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Solution

The fourth proportional to 18,192.72, 27,286.05 and 5,046.42 is: 7,568.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.72 : 27,286.05 = 5,046.42 : x
  2. Step 2: Convert to fraction form
    18,192.72/27,286.05 = 5,046.42/x
  3. Step 3: Cross multiply
    18,192.72x = 27,286.05 × 5,046.42
  4. Step 4: Simplify right side
    18,192.72x = 137,696,868.44
  5. Step 5: Solve for x
    x = 137,696,868.44/18,192.72
  6. Step 6: Final answer
    x = 7,568.79

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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.