Home / 12,113.45-18,170.18-3,794.18

Finding the Fourth Proportional to 12,113.45, 18,170.18 and 3,794.18

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Solution

The fourth proportional to 12,113.45, 18,170.18 and 3,794.18 is: 5,691.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.45 : 18,170.18 = 3,794.18 : x
  2. Step 2: Convert to fraction form
    12,113.45/18,170.18 = 3,794.18/x
  3. Step 3: Cross multiply
    12,113.45x = 18,170.18 × 3,794.18
  4. Step 4: Simplify right side
    12,113.45x = 68,940,823.73
  5. Step 5: Solve for x
    x = 68,940,823.73/12,113.45
  6. Step 6: Final answer
    x = 5,691.26

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Double scale
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Similar ratio
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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.