Home / 11,489.68-17,229.48-3,590.02

Finding the Fourth Proportional to 11,489.68, 17,229.48 and 3,590.02

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Solution

The fourth proportional to 11,489.68, 17,229.48 and 3,590.02 is: 5,383.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,489.68 : 17,229.48 = 3,590.02 : x
  2. Step 2: Convert to fraction form
    11,489.68/17,229.48 = 3,590.02/x
  3. Step 3: Cross multiply
    11,489.68x = 17,229.48 × 3,590.02
  4. Step 4: Simplify right side
    11,489.68x = 61,854,177.79
  5. Step 5: Solve for x
    x = 61,854,177.79/11,489.68
  6. Step 6: Final answer
    x = 5,383.46

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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.