Home / 15,198-22,778.28-10,791.60

Finding the Fourth Proportional to 15,198, 22,778.28 and 10,791.60

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Solution

The fourth proportional to 15,198, 22,778.28 and 10,791.60 is: 16,174.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,198 : 22,778.28 = 10,791.60 : x
  2. Step 2: Convert to fraction form
    15,198/22,778.28 = 10,791.60/x
  3. Step 3: Cross multiply
    15,198x = 22,778.28 × 10,791.60
  4. Step 4: Simplify right side
    15,198x = 245,814,086.45
  5. Step 5: Solve for x
    x = 245,814,086.45/15,198
  6. Step 6: Final answer
    x = 16,174.11

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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.