Home / 18,229.55-27,344.94-5,080.82

Finding the Fourth Proportional to 18,229.55, 27,344.94 and 5,080.82

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Solution

The fourth proportional to 18,229.55, 27,344.94 and 5,080.82 is: 7,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.55 : 27,344.94 = 5,080.82 : x
  2. Step 2: Convert to fraction form
    18,229.55/27,344.94 = 5,080.82/x
  3. Step 3: Cross multiply
    18,229.55x = 27,344.94 × 5,080.82
  4. Step 4: Simplify right side
    18,229.55x = 138,934,692.65
  5. Step 5: Solve for x
    x = 138,934,692.65/18,229.55
  6. Step 6: Final answer
    x = 7,621.40

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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.