Home / 11,166.80-16,749.99-3,375.61

Finding the Fourth Proportional to 11,166.80, 16,749.99 and 3,375.61

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Solution

The fourth proportional to 11,166.80, 16,749.99 and 3,375.61 is: 5,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.80 : 16,749.99 = 3,375.61 : x
  2. Step 2: Convert to fraction form
    11,166.80/16,749.99 = 3,375.61/x
  3. Step 3: Cross multiply
    11,166.80x = 16,749.99 × 3,375.61
  4. Step 4: Simplify right side
    11,166.80x = 56,541,391.87
  5. Step 5: Solve for x
    x = 56,541,391.87/11,166.80
  6. Step 6: Final answer
    x = 5,063.35

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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.