Home / 20,763.24-31,149.83-6,723.29

Finding the Fourth Proportional to 20,763.24, 31,149.83 and 6,723.29

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Solution

The fourth proportional to 20,763.24, 31,149.83 and 6,723.29 is: 10,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,763.24 : 31,149.83 = 6,723.29 : x
  2. Step 2: Convert to fraction form
    20,763.24/31,149.83 = 6,723.29/x
  3. Step 3: Cross multiply
    20,763.24x = 31,149.83 × 6,723.29
  4. Step 4: Simplify right side
    20,763.24x = 209,429,293.20
  5. Step 5: Solve for x
    x = 209,429,293.20/20,763.24
  6. Step 6: Final answer
    x = 10,086.54

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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.