Home / 11,418.45-17,129.79-4,027.61

Finding the Fourth Proportional to 11,418.45, 17,129.79 and 4,027.61

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Solution

The fourth proportional to 11,418.45, 17,129.79 and 4,027.61 is: 6,042.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.45 : 17,129.79 = 4,027.61 : x
  2. Step 2: Convert to fraction form
    11,418.45/17,129.79 = 4,027.61/x
  3. Step 3: Cross multiply
    11,418.45x = 17,129.79 × 4,027.61
  4. Step 4: Simplify right side
    11,418.45x = 68,992,027.85
  5. Step 5: Solve for x
    x = 68,992,027.85/11,418.45
  6. Step 6: Final answer
    x = 6,042.15

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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.