Home / 18,162.62-25,067.39-15,132.94

Finding the Fourth Proportional to 18,162.62, 25,067.39 and 15,132.94

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Solution

The fourth proportional to 18,162.62, 25,067.39 and 15,132.94 is: 20,885.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.62 : 25,067.39 = 15,132.94 : x
  2. Step 2: Convert to fraction form
    18,162.62/25,067.39 = 15,132.94/x
  3. Step 3: Cross multiply
    18,162.62x = 25,067.39 × 15,132.94
  4. Step 4: Simplify right side
    18,162.62x = 379,343,107.82
  5. Step 5: Solve for x
    x = 379,343,107.82/18,162.62
  6. Step 6: Final answer
    x = 20,885.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.