Home / 13,634.73-20,446.83-5,309.96

Finding the Fourth Proportional to 13,634.73, 20,446.83 and 5,309.96

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Solution

The fourth proportional to 13,634.73, 20,446.83 and 5,309.96 is: 7,962.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.73 : 20,446.83 = 5,309.96 : x
  2. Step 2: Convert to fraction form
    13,634.73/20,446.83 = 5,309.96/x
  3. Step 3: Cross multiply
    13,634.73x = 20,446.83 × 5,309.96
  4. Step 4: Simplify right side
    13,634.73x = 108,571,747.19
  5. Step 5: Solve for x
    x = 108,571,747.19/13,634.73
  6. Step 6: Final answer
    x = 7,962.88

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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.