Home / 11,781.05-17,669.41-4,759.22

Finding the Fourth Proportional to 11,781.05, 17,669.41 and 4,759.22

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Solution

The fourth proportional to 11,781.05, 17,669.41 and 4,759.22 is: 7,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.05 : 17,669.41 = 4,759.22 : x
  2. Step 2: Convert to fraction form
    11,781.05/17,669.41 = 4,759.22/x
  3. Step 3: Cross multiply
    11,781.05x = 17,669.41 × 4,759.22
  4. Step 4: Simplify right side
    11,781.05x = 84,092,641.74
  5. Step 5: Solve for x
    x = 84,092,641.74/11,781.05
  6. Step 6: Final answer
    x = 7,137.96

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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.