Home / 18,084.55-27,108.60-8,230.90

Finding the Fourth Proportional to 18,084.55, 27,108.60 and 8,230.90

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Solution

The fourth proportional to 18,084.55, 27,108.60 and 8,230.90 is: 12,338.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.55 : 27,108.60 = 8,230.90 : x
  2. Step 2: Convert to fraction form
    18,084.55/27,108.60 = 8,230.90/x
  3. Step 3: Cross multiply
    18,084.55x = 27,108.60 × 8,230.90
  4. Step 4: Simplify right side
    18,084.55x = 223,128,175.74
  5. Step 5: Solve for x
    x = 223,128,175.74/18,084.55
  6. Step 6: Final answer
    x = 12,338.06

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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.