Home / 13,723.52-20,568.76-6,317.84

Finding the Fourth Proportional to 13,723.52, 20,568.76 and 6,317.84

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Solution

The fourth proportional to 13,723.52, 20,568.76 and 6,317.84 is: 9,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.52 : 20,568.76 = 6,317.84 : x
  2. Step 2: Convert to fraction form
    13,723.52/20,568.76 = 6,317.84/x
  3. Step 3: Cross multiply
    13,723.52x = 20,568.76 × 6,317.84
  4. Step 4: Simplify right side
    13,723.52x = 129,950,134.68
  5. Step 5: Solve for x
    x = 129,950,134.68/13,723.52
  6. Step 6: Final answer
    x = 9,469.15

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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.