Home / 18,238.64-27,334.20-8,235.96

Finding the Fourth Proportional to 18,238.64, 27,334.20 and 8,235.96

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Solution

The fourth proportional to 18,238.64, 27,334.20 and 8,235.96 is: 12,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.64 : 27,334.20 = 8,235.96 : x
  2. Step 2: Convert to fraction form
    18,238.64/27,334.20 = 8,235.96/x
  3. Step 3: Cross multiply
    18,238.64x = 27,334.20 × 8,235.96
  4. Step 4: Simplify right side
    18,238.64x = 225,123,377.83
  5. Step 5: Solve for x
    x = 225,123,377.83/18,238.64
  6. Step 6: Final answer
    x = 12,343.21

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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.