Home / 10,816.07-16,209.92-5,546.61

Finding the Fourth Proportional to 10,816.07, 16,209.92 and 5,546.61

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Solution

The fourth proportional to 10,816.07, 16,209.92 and 5,546.61 is: 8,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.07 : 16,209.92 = 5,546.61 : x
  2. Step 2: Convert to fraction form
    10,816.07/16,209.92 = 5,546.61/x
  3. Step 3: Cross multiply
    10,816.07x = 16,209.92 × 5,546.61
  4. Step 4: Simplify right side
    10,816.07x = 89,910,118.24
  5. Step 5: Solve for x
    x = 89,910,118.24/10,816.07
  6. Step 6: Final answer
    x = 8,312.65

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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.