Home / 11,418.76-17,086.62-9,425.86

Finding the Fourth Proportional to 11,418.76, 17,086.62 and 9,425.86

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Solution

The fourth proportional to 11,418.76, 17,086.62 and 9,425.86 is: 14,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.76 : 17,086.62 = 9,425.86 : x
  2. Step 2: Convert to fraction form
    11,418.76/17,086.62 = 9,425.86/x
  3. Step 3: Cross multiply
    11,418.76x = 17,086.62 × 9,425.86
  4. Step 4: Simplify right side
    11,418.76x = 161,056,030.09
  5. Step 5: Solve for x
    x = 161,056,030.09/11,418.76
  6. Step 6: Final answer
    x = 14,104.51

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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.