Home / 10,791.18-16,186.56-4,864.80

Finding the Fourth Proportional to 10,791.18, 16,186.56 and 4,864.80

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Solution

The fourth proportional to 10,791.18, 16,186.56 and 4,864.80 is: 7,297.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.18 : 16,186.56 = 4,864.80 : x
  2. Step 2: Convert to fraction form
    10,791.18/16,186.56 = 4,864.80/x
  3. Step 3: Cross multiply
    10,791.18x = 16,186.56 × 4,864.80
  4. Step 4: Simplify right side
    10,791.18x = 78,744,377.09
  5. Step 5: Solve for x
    x = 78,744,377.09/10,791.18
  6. Step 6: Final answer
    x = 7,297.11

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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.