Home / 16,998.60-25,497.92-5,311.88

Finding the Fourth Proportional to 16,998.60, 25,497.92 and 5,311.88

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Solution

The fourth proportional to 16,998.60, 25,497.92 and 5,311.88 is: 7,967.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998.60 : 25,497.92 = 5,311.88 : x
  2. Step 2: Convert to fraction form
    16,998.60/25,497.92 = 5,311.88/x
  3. Step 3: Cross multiply
    16,998.60x = 25,497.92 × 5,311.88
  4. Step 4: Simplify right side
    16,998.60x = 135,441,891.29
  5. Step 5: Solve for x
    x = 135,441,891.29/16,998.60
  6. Step 6: Final answer
    x = 7,967.83

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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.