Home / 11,749.64-17,625.27-3,429.73

Finding the Fourth Proportional to 11,749.64, 17,625.27 and 3,429.73

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Solution

The fourth proportional to 11,749.64, 17,625.27 and 3,429.73 is: 5,144.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.64 : 17,625.27 = 3,429.73 : x
  2. Step 2: Convert to fraction form
    11,749.64/17,625.27 = 3,429.73/x
  3. Step 3: Cross multiply
    11,749.64x = 17,625.27 × 3,429.73
  4. Step 4: Simplify right side
    11,749.64x = 60,449,829.15
  5. Step 5: Solve for x
    x = 60,449,829.15/11,749.64
  6. Step 6: Final answer
    x = 5,144.82

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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.