Home / 16,717.55-25,086.05-6,863.90

Finding the Fourth Proportional to 16,717.55, 25,086.05 and 6,863.90

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Solution

The fourth proportional to 16,717.55, 25,086.05 and 6,863.90 is: 10,299.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,717.55 : 25,086.05 = 6,863.90 : x
  2. Step 2: Convert to fraction form
    16,717.55/25,086.05 = 6,863.90/x
  3. Step 3: Cross multiply
    16,717.55x = 25,086.05 × 6,863.90
  4. Step 4: Simplify right side
    16,717.55x = 172,188,104.28
  5. Step 5: Solve for x
    x = 172,188,104.28/16,717.55
  6. Step 6: Final answer
    x = 10,299.84

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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.