Home / 19,858.47-29,743.97-13,253.73

Finding the Fourth Proportional to 19,858.47, 29,743.97 and 13,253.73

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Solution

The fourth proportional to 19,858.47, 29,743.97 and 13,253.73 is: 19,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858.47 : 29,743.97 = 13,253.73 : x
  2. Step 2: Convert to fraction form
    19,858.47/29,743.97 = 13,253.73/x
  3. Step 3: Cross multiply
    19,858.47x = 29,743.97 × 13,253.73
  4. Step 4: Simplify right side
    19,858.47x = 394,218,481.24
  5. Step 5: Solve for x
    x = 394,218,481.24/19,858.47
  6. Step 6: Final answer
    x = 19,851.40

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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.