Home / 11,691.00-17,543.48-4,296.21

Finding the Fourth Proportional to 11,691.00, 17,543.48 and 4,296.21

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Solution

The fourth proportional to 11,691.00, 17,543.48 and 4,296.21 is: 6,446.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691.00 : 17,543.48 = 4,296.21 : x
  2. Step 2: Convert to fraction form
    11,691.00/17,543.48 = 4,296.21/x
  3. Step 3: Cross multiply
    11,691.00x = 17,543.48 × 4,296.21
  4. Step 4: Simplify right side
    11,691.00x = 75,370,397.23
  5. Step 5: Solve for x
    x = 75,370,397.23/11,691.00
  6. Step 6: Final answer
    x = 6,446.87

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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.