Home / 11,879.24-17,818.80-3,114.04

Finding the Fourth Proportional to 11,879.24, 17,818.80 and 3,114.04

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Solution

The fourth proportional to 11,879.24, 17,818.80 and 3,114.04 is: 4,671.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879.24 : 17,818.80 = 3,114.04 : x
  2. Step 2: Convert to fraction form
    11,879.24/17,818.80 = 3,114.04/x
  3. Step 3: Cross multiply
    11,879.24x = 17,818.80 × 3,114.04
  4. Step 4: Simplify right side
    11,879.24x = 55,488,455.95
  5. Step 5: Solve for x
    x = 55,488,455.95/11,879.24
  6. Step 6: Final answer
    x = 4,671.04

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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.