Home / 18,092.85-27,137.97-5,612.55

Finding the Fourth Proportional to 18,092.85, 27,137.97 and 5,612.55

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Solution

The fourth proportional to 18,092.85, 27,137.97 and 5,612.55 is: 8,418.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,092.85 : 27,137.97 = 5,612.55 : x
  2. Step 2: Convert to fraction form
    18,092.85/27,137.97 = 5,612.55/x
  3. Step 3: Cross multiply
    18,092.85x = 27,137.97 × 5,612.55
  4. Step 4: Simplify right side
    18,092.85x = 152,313,240.38
  5. Step 5: Solve for x
    x = 152,313,240.38/18,092.85
  6. Step 6: Final answer
    x = 8,418.42

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1.5x scale

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.