Home / 13,836.60-20,755.56-3,976.08

Finding the Fourth Proportional to 13,836.60, 20,755.56 and 3,976.08

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Solution

The fourth proportional to 13,836.60, 20,755.56 and 3,976.08 is: 5,964.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.60 : 20,755.56 = 3,976.08 : x
  2. Step 2: Convert to fraction form
    13,836.60/20,755.56 = 3,976.08/x
  3. Step 3: Cross multiply
    13,836.60x = 20,755.56 × 3,976.08
  4. Step 4: Simplify right side
    13,836.60x = 82,525,767.00
  5. Step 5: Solve for x
    x = 82,525,767.00/13,836.60
  6. Step 6: Final answer
    x = 5,964.31

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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.