Home / 13,766.23-20,650.13-3,904.73

Finding the Fourth Proportional to 13,766.23, 20,650.13 and 3,904.73

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Solution

The fourth proportional to 13,766.23, 20,650.13 and 3,904.73 is: 5,857.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.23 : 20,650.13 = 3,904.73 : x
  2. Step 2: Convert to fraction form
    13,766.23/20,650.13 = 3,904.73/x
  3. Step 3: Cross multiply
    13,766.23x = 20,650.13 × 3,904.73
  4. Step 4: Simplify right side
    13,766.23x = 80,633,278.56
  5. Step 5: Solve for x
    x = 80,633,278.56/13,766.23
  6. Step 6: Final answer
    x = 5,857.32

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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.