Home / 18,150.12-27,232.20-7,057.80

Finding the Fourth Proportional to 18,150.12, 27,232.20 and 7,057.80

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Solution

The fourth proportional to 18,150.12, 27,232.20 and 7,057.80 is: 10,589.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.12 : 27,232.20 = 7,057.80 : x
  2. Step 2: Convert to fraction form
    18,150.12/27,232.20 = 7,057.80/x
  3. Step 3: Cross multiply
    18,150.12x = 27,232.20 × 7,057.80
  4. Step 4: Simplify right side
    18,150.12x = 192,199,421.16
  5. Step 5: Solve for x
    x = 192,199,421.16/18,150.12
  6. Step 6: Final answer
    x = 10,589.43

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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.