Home / 18,118.38-25,003.32-11,044.80

Finding the Fourth Proportional to 18,118.38, 25,003.32 and 11,044.80

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Solution

The fourth proportional to 18,118.38, 25,003.32 and 11,044.80 is: 15,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.38 : 25,003.32 = 11,044.80 : x
  2. Step 2: Convert to fraction form
    18,118.38/25,003.32 = 11,044.80/x
  3. Step 3: Cross multiply
    18,118.38x = 25,003.32 × 11,044.80
  4. Step 4: Simplify right side
    18,118.38x = 276,156,668.74
  5. Step 5: Solve for x
    x = 276,156,668.74/18,118.38
  6. Step 6: Final answer
    x = 15,241.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.