Home / 13,676.73-20,515.11-3,288.48

Finding the Fourth Proportional to 13,676.73, 20,515.11 and 3,288.48

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Solution

The fourth proportional to 13,676.73, 20,515.11 and 3,288.48 is: 4,932.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676.73 : 20,515.11 = 3,288.48 : x
  2. Step 2: Convert to fraction form
    13,676.73/20,515.11 = 3,288.48/x
  3. Step 3: Cross multiply
    13,676.73x = 20,515.11 × 3,288.48
  4. Step 4: Simplify right side
    13,676.73x = 67,463,528.93
  5. Step 5: Solve for x
    x = 67,463,528.93/13,676.73
  6. Step 6: Final answer
    x = 4,932.72

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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.