Home / 11,481.32-15,845-6,377.10

Finding the Fourth Proportional to 11,481.32, 15,845 and 6,377.10

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Solution

The fourth proportional to 11,481.32, 15,845 and 6,377.10 is: 8,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.32 : 15,845 = 6,377.10 : x
  2. Step 2: Convert to fraction form
    11,481.32/15,845 = 6,377.10/x
  3. Step 3: Cross multiply
    11,481.32x = 15,845 × 6,377.10
  4. Step 4: Simplify right side
    11,481.32x = 101,045,149.50
  5. Step 5: Solve for x
    x = 101,045,149.50/11,481.32
  6. Step 6: Final answer
    x = 8,800.83

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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.