Home / 13,499.38-20,252.31-4,265.38

Finding the Fourth Proportional to 13,499.38, 20,252.31 and 4,265.38

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Solution

The fourth proportional to 13,499.38, 20,252.31 and 4,265.38 is: 6,399.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,499.38 : 20,252.31 = 4,265.38 : x
  2. Step 2: Convert to fraction form
    13,499.38/20,252.31 = 4,265.38/x
  3. Step 3: Cross multiply
    13,499.38x = 20,252.31 × 4,265.38
  4. Step 4: Simplify right side
    13,499.38x = 86,383,696.77
  5. Step 5: Solve for x
    x = 86,383,696.77/13,499.38
  6. Step 6: Final answer
    x = 6,399.09

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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.