Home / 11,120.52-16,680.76-3,329.92

Finding the Fourth Proportional to 11,120.52, 16,680.76 and 3,329.92

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Solution

The fourth proportional to 11,120.52, 16,680.76 and 3,329.92 is: 4,994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.52 : 16,680.76 = 3,329.92 : x
  2. Step 2: Convert to fraction form
    11,120.52/16,680.76 = 3,329.92/x
  3. Step 3: Cross multiply
    11,120.52x = 16,680.76 × 3,329.92
  4. Step 4: Simplify right side
    11,120.52x = 55,545,596.34
  5. Step 5: Solve for x
    x = 55,545,596.34/11,120.52
  6. Step 6: Final answer
    x = 4,994.87

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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.