Home / 11,906.32-17,863.80-4,115.92

Finding the Fourth Proportional to 11,906.32, 17,863.80 and 4,115.92

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Solution

The fourth proportional to 11,906.32, 17,863.80 and 4,115.92 is: 6,175.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.32 : 17,863.80 = 4,115.92 : x
  2. Step 2: Convert to fraction form
    11,906.32/17,863.80 = 4,115.92/x
  3. Step 3: Cross multiply
    11,906.32x = 17,863.80 × 4,115.92
  4. Step 4: Simplify right side
    11,906.32x = 73,525,971.70
  5. Step 5: Solve for x
    x = 73,525,971.70/11,906.32
  6. Step 6: Final answer
    x = 6,175.37

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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.