Home / 11,385.33-15,711.87-6,349.98

Finding the Fourth Proportional to 11,385.33, 15,711.87 and 6,349.98

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Solution

The fourth proportional to 11,385.33, 15,711.87 and 6,349.98 is: 8,763.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,385.33 : 15,711.87 = 6,349.98 : x
  2. Step 2: Convert to fraction form
    11,385.33/15,711.87 = 6,349.98/x
  3. Step 3: Cross multiply
    11,385.33x = 15,711.87 × 6,349.98
  4. Step 4: Simplify right side
    11,385.33x = 99,770,060.26
  5. Step 5: Solve for x
    x = 99,770,060.26/11,385.33
  6. Step 6: Final answer
    x = 8,763.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.