Home / 20,163.18-30,247.98-5,373.30

Finding the Fourth Proportional to 20,163.18, 30,247.98 and 5,373.30

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Solution

The fourth proportional to 20,163.18, 30,247.98 and 5,373.30 is: 8,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163.18 : 30,247.98 = 5,373.30 : x
  2. Step 2: Convert to fraction form
    20,163.18/30,247.98 = 5,373.30/x
  3. Step 3: Cross multiply
    20,163.18x = 30,247.98 × 5,373.30
  4. Step 4: Simplify right side
    20,163.18x = 162,531,470.93
  5. Step 5: Solve for x
    x = 162,531,470.93/20,163.18
  6. Step 6: Final answer
    x = 8,060.81

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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.