Home / 18,170.92-25,085.82-11,002.12

Finding the Fourth Proportional to 18,170.92, 25,085.82 and 11,002.12

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Solution

The fourth proportional to 18,170.92, 25,085.82 and 11,002.12 is: 15,188.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.92 : 25,085.82 = 11,002.12 : x
  2. Step 2: Convert to fraction form
    18,170.92/25,085.82 = 11,002.12/x
  3. Step 3: Cross multiply
    18,170.92x = 25,085.82 × 11,002.12
  4. Step 4: Simplify right side
    18,170.92x = 275,997,201.94
  5. Step 5: Solve for x
    x = 275,997,201.94/18,170.92
  6. Step 6: Final answer
    x = 15,188.95

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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.