Home / 11,982.68-17,976.66-3,663.34

Finding the Fourth Proportional to 11,982.68, 17,976.66 and 3,663.34

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Solution

The fourth proportional to 11,982.68, 17,976.66 and 3,663.34 is: 5,495.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.68 : 17,976.66 = 3,663.34 : x
  2. Step 2: Convert to fraction form
    11,982.68/17,976.66 = 3,663.34/x
  3. Step 3: Cross multiply
    11,982.68x = 17,976.66 × 3,663.34
  4. Step 4: Simplify right side
    11,982.68x = 65,854,617.64
  5. Step 5: Solve for x
    x = 65,854,617.64/11,982.68
  6. Step 6: Final answer
    x = 5,495.82

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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.