Home / 13,723.66-20,585.72-3,863.18

Finding the Fourth Proportional to 13,723.66, 20,585.72 and 3,863.18

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Solution

The fourth proportional to 13,723.66, 20,585.72 and 3,863.18 is: 5,794.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.66 : 20,585.72 = 3,863.18 : x
  2. Step 2: Convert to fraction form
    13,723.66/20,585.72 = 3,863.18/x
  3. Step 3: Cross multiply
    13,723.66x = 20,585.72 × 3,863.18
  4. Step 4: Simplify right side
    13,723.66x = 79,526,238.86
  5. Step 5: Solve for x
    x = 79,526,238.86/13,723.66
  6. Step 6: Final answer
    x = 5,794.83

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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.