Home / 18,144.30-27,226.82-7,049.55

Finding the Fourth Proportional to 18,144.30, 27,226.82 and 7,049.55

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Solution

The fourth proportional to 18,144.30, 27,226.82 and 7,049.55 is: 10,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.30 : 27,226.82 = 7,049.55 : x
  2. Step 2: Convert to fraction form
    18,144.30/27,226.82 = 7,049.55/x
  3. Step 3: Cross multiply
    18,144.30x = 27,226.82 × 7,049.55
  4. Step 4: Simplify right side
    18,144.30x = 191,936,846.55
  5. Step 5: Solve for x
    x = 191,936,846.55/18,144.30
  6. Step 6: Final answer
    x = 10,578.35

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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.