Home / 16,854.78-25,286.13-5,761.56

Finding the Fourth Proportional to 16,854.78, 25,286.13 and 5,761.56

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Solution

The fourth proportional to 16,854.78, 25,286.13 and 5,761.56 is: 8,643.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.78 : 25,286.13 = 5,761.56 : x
  2. Step 2: Convert to fraction form
    16,854.78/25,286.13 = 5,761.56/x
  3. Step 3: Cross multiply
    16,854.78x = 25,286.13 × 5,761.56
  4. Step 4: Simplify right side
    16,854.78x = 145,687,555.16
  5. Step 5: Solve for x
    x = 145,687,555.16/16,854.78
  6. Step 6: Final answer
    x = 8,643.69

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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.