Home / 11,540.44-15,927.42-6,505.66

Finding the Fourth Proportional to 11,540.44, 15,927.42 and 6,505.66

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Solution

The fourth proportional to 11,540.44, 15,927.42 and 6,505.66 is: 8,978.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,540.44 : 15,927.42 = 6,505.66 : x
  2. Step 2: Convert to fraction form
    11,540.44/15,927.42 = 6,505.66/x
  3. Step 3: Cross multiply
    11,540.44x = 15,927.42 × 6,505.66
  4. Step 4: Simplify right side
    11,540.44x = 103,618,379.20
  5. Step 5: Solve for x
    x = 103,618,379.20/11,540.44
  6. Step 6: Final answer
    x = 8,978.72

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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.