Home / 11,305.33-16,960.56-3,909.85

Finding the Fourth Proportional to 11,305.33, 16,960.56 and 3,909.85

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Solution

The fourth proportional to 11,305.33, 16,960.56 and 3,909.85 is: 5,865.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.33 : 16,960.56 = 3,909.85 : x
  2. Step 2: Convert to fraction form
    11,305.33/16,960.56 = 3,909.85/x
  3. Step 3: Cross multiply
    11,305.33x = 16,960.56 × 3,909.85
  4. Step 4: Simplify right side
    11,305.33x = 66,313,243.96
  5. Step 5: Solve for x
    x = 66,313,243.96/11,305.33
  6. Step 6: Final answer
    x = 5,865.66

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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.