Home / 10,880.33-16,321.50-3,859.65

Finding the Fourth Proportional to 10,880.33, 16,321.50 and 3,859.65

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Solution

The fourth proportional to 10,880.33, 16,321.50 and 3,859.65 is: 5,789.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.33 : 16,321.50 = 3,859.65 : x
  2. Step 2: Convert to fraction form
    10,880.33/16,321.50 = 3,859.65/x
  3. Step 3: Cross multiply
    10,880.33x = 16,321.50 × 3,859.65
  4. Step 4: Simplify right side
    10,880.33x = 62,995,277.48
  5. Step 5: Solve for x
    x = 62,995,277.48/10,880.33
  6. Step 6: Final answer
    x = 5,789.83

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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.