Home / 18,170.30-27,247.22-7,489.24

Finding the Fourth Proportional to 18,170.30, 27,247.22 and 7,489.24

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Solution

The fourth proportional to 18,170.30, 27,247.22 and 7,489.24 is: 11,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.30 : 27,247.22 = 7,489.24 : x
  2. Step 2: Convert to fraction form
    18,170.30/27,247.22 = 7,489.24/x
  3. Step 3: Cross multiply
    18,170.30x = 27,247.22 × 7,489.24
  4. Step 4: Simplify right side
    18,170.30x = 204,060,969.91
  5. Step 5: Solve for x
    x = 204,060,969.91/18,170.30
  6. Step 6: Final answer
    x = 11,230.47

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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.