Home / 18,144.46-27,220.18-6,297.78

Finding the Fourth Proportional to 18,144.46, 27,220.18 and 6,297.78

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Solution

The fourth proportional to 18,144.46, 27,220.18 and 6,297.78 is: 9,447.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.46 : 27,220.18 = 6,297.78 : x
  2. Step 2: Convert to fraction form
    18,144.46/27,220.18 = 6,297.78/x
  3. Step 3: Cross multiply
    18,144.46x = 27,220.18 × 6,297.78
  4. Step 4: Simplify right side
    18,144.46x = 171,426,705.20
  5. Step 5: Solve for x
    x = 171,426,705.20/18,144.46
  6. Step 6: Final answer
    x = 9,447.88

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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.