Home / 13,843.52-20,765.44-3,455.36

Finding the Fourth Proportional to 13,843.52, 20,765.44 and 3,455.36

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Solution

The fourth proportional to 13,843.52, 20,765.44 and 3,455.36 is: 5,183.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,843.52 : 20,765.44 = 3,455.36 : x
  2. Step 2: Convert to fraction form
    13,843.52/20,765.44 = 3,455.36/x
  3. Step 3: Cross multiply
    13,843.52x = 20,765.44 × 3,455.36
  4. Step 4: Simplify right side
    13,843.52x = 71,752,070.76
  5. Step 5: Solve for x
    x = 71,752,070.76/13,843.52
  6. Step 6: Final answer
    x = 5,183.08

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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.