Home / 11,781.69-17,672.49-3,016.59

Finding the Fourth Proportional to 11,781.69, 17,672.49 and 3,016.59

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Solution

The fourth proportional to 11,781.69, 17,672.49 and 3,016.59 is: 4,524.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.69 : 17,672.49 = 3,016.59 : x
  2. Step 2: Convert to fraction form
    11,781.69/17,672.49 = 3,016.59/x
  3. Step 3: Cross multiply
    11,781.69x = 17,672.49 × 3,016.59
  4. Step 4: Simplify right side
    11,781.69x = 53,310,656.61
  5. Step 5: Solve for x
    x = 53,310,656.61/11,781.69
  6. Step 6: Final answer
    x = 4,524.87

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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.