Home / 16,864.20-25,296.30-13,583.70

Finding the Fourth Proportional to 16,864.20, 25,296.30 and 13,583.70

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Solution

The fourth proportional to 16,864.20, 25,296.30 and 13,583.70 is: 20,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.20 : 25,296.30 = 13,583.70 : x
  2. Step 2: Convert to fraction form
    16,864.20/25,296.30 = 13,583.70/x
  3. Step 3: Cross multiply
    16,864.20x = 25,296.30 × 13,583.70
  4. Step 4: Simplify right side
    16,864.20x = 343,617,350.31
  5. Step 5: Solve for x
    x = 343,617,350.31/16,864.20
  6. Step 6: Final answer
    x = 20,375.55

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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.