Home / 18,156.40-27,227.12-5,672.16

Finding the Fourth Proportional to 18,156.40, 27,227.12 and 5,672.16

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Solution

The fourth proportional to 18,156.40, 27,227.12 and 5,672.16 is: 8,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.40 : 27,227.12 = 5,672.16 : x
  2. Step 2: Convert to fraction form
    18,156.40/27,227.12 = 5,672.16/x
  3. Step 3: Cross multiply
    18,156.40x = 27,227.12 × 5,672.16
  4. Step 4: Simplify right side
    18,156.40x = 154,436,580.98
  5. Step 5: Solve for x
    x = 154,436,580.98/18,156.40
  6. Step 6: Final answer
    x = 8,505.90

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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.