Home / 13,822.44-20,716.34-9,867.48

Finding the Fourth Proportional to 13,822.44, 20,716.34 and 9,867.48

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Solution

The fourth proportional to 13,822.44, 20,716.34 and 9,867.48 is: 14,788.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.44 : 20,716.34 = 9,867.48 : x
  2. Step 2: Convert to fraction form
    13,822.44/20,716.34 = 9,867.48/x
  3. Step 3: Cross multiply
    13,822.44x = 20,716.34 × 9,867.48
  4. Step 4: Simplify right side
    13,822.44x = 204,418,070.62
  5. Step 5: Solve for x
    x = 204,418,070.62/13,822.44
  6. Step 6: Final answer
    x = 14,788.86

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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.