Home / 18,084.06-27,156.26-12,198.87

Finding the Fourth Proportional to 18,084.06, 27,156.26 and 12,198.87

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Solution

The fourth proportional to 18,084.06, 27,156.26 and 12,198.87 is: 18,318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.06 : 27,156.26 = 12,198.87 : x
  2. Step 2: Convert to fraction form
    18,084.06/27,156.26 = 12,198.87/x
  3. Step 3: Cross multiply
    18,084.06x = 27,156.26 × 12,198.87
  4. Step 4: Simplify right side
    18,084.06x = 331,275,715.92
  5. Step 5: Solve for x
    x = 331,275,715.92/18,084.06
  6. Step 6: Final answer
    x = 18,318.66

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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.