Home / 13,195.62-18,210.17-7,227.86

Finding the Fourth Proportional to 13,195.62, 18,210.17 and 7,227.86

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Solution

The fourth proportional to 13,195.62, 18,210.17 and 7,227.86 is: 9,974.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.62 : 18,210.17 = 7,227.86 : x
  2. Step 2: Convert to fraction form
    13,195.62/18,210.17 = 7,227.86/x
  3. Step 3: Cross multiply
    13,195.62x = 18,210.17 × 7,227.86
  4. Step 4: Simplify right side
    13,195.62x = 131,620,432.15
  5. Step 5: Solve for x
    x = 131,620,432.15/13,195.62
  6. Step 6: Final answer
    x = 9,974.55

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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.