Home / 13,198.31-19,801.11-11,747.60

Finding the Fourth Proportional to 13,198.31, 19,801.11 and 11,747.60

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Solution

The fourth proportional to 13,198.31, 19,801.11 and 11,747.60 is: 17,624.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198.31 : 19,801.11 = 11,747.60 : x
  2. Step 2: Convert to fraction form
    13,198.31/19,801.11 = 11,747.60/x
  3. Step 3: Cross multiply
    13,198.31x = 19,801.11 × 11,747.60
  4. Step 4: Simplify right side
    13,198.31x = 232,615,519.84
  5. Step 5: Solve for x
    x = 232,615,519.84/13,198.31
  6. Step 6: Final answer
    x = 17,624.64

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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.