Home / 11,672.06-17,504.91-3,879.86

Finding the Fourth Proportional to 11,672.06, 17,504.91 and 3,879.86

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Solution

The fourth proportional to 11,672.06, 17,504.91 and 3,879.86 is: 5,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.06 : 17,504.91 = 3,879.86 : x
  2. Step 2: Convert to fraction form
    11,672.06/17,504.91 = 3,879.86/x
  3. Step 3: Cross multiply
    11,672.06x = 17,504.91 × 3,879.86
  4. Step 4: Simplify right side
    11,672.06x = 67,916,600.11
  5. Step 5: Solve for x
    x = 67,916,600.11/11,672.06
  6. Step 6: Final answer
    x = 5,818.73

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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.