Home / 18,234.45-27,352.80-5,754.90

Finding the Fourth Proportional to 18,234.45, 27,352.80 and 5,754.90

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Solution

The fourth proportional to 18,234.45, 27,352.80 and 5,754.90 is: 8,632.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.45 : 27,352.80 = 5,754.90 : x
  2. Step 2: Convert to fraction form
    18,234.45/27,352.80 = 5,754.90/x
  3. Step 3: Cross multiply
    18,234.45x = 27,352.80 × 5,754.90
  4. Step 4: Simplify right side
    18,234.45x = 157,412,628.72
  5. Step 5: Solve for x
    x = 157,412,628.72/18,234.45
  6. Step 6: Final answer
    x = 8,632.71

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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.