Home / 18,190.68-27,285.84-8,327.16

Finding the Fourth Proportional to 18,190.68, 27,285.84 and 8,327.16

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Solution

The fourth proportional to 18,190.68, 27,285.84 and 8,327.16 is: 12,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.68 : 27,285.84 = 8,327.16 : x
  2. Step 2: Convert to fraction form
    18,190.68/27,285.84 = 8,327.16/x
  3. Step 3: Cross multiply
    18,190.68x = 27,285.84 × 8,327.16
  4. Step 4: Simplify right side
    18,190.68x = 227,213,555.41
  5. Step 5: Solve for x
    x = 227,213,555.41/18,190.68
  6. Step 6: Final answer
    x = 12,490.66

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Similar ratio
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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.