Home / 10,272.97-15,409.47-2,481.78

Finding the Fourth Proportional to 10,272.97, 15,409.47 and 2,481.78

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Solution

The fourth proportional to 10,272.97, 15,409.47 and 2,481.78 is: 3,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.97 : 15,409.47 = 2,481.78 : x
  2. Step 2: Convert to fraction form
    10,272.97/15,409.47 = 2,481.78/x
  3. Step 3: Cross multiply
    10,272.97x = 15,409.47 × 2,481.78
  4. Step 4: Simplify right side
    10,272.97x = 38,242,914.46
  5. Step 5: Solve for x
    x = 38,242,914.46/10,272.97
  6. Step 6: Final answer
    x = 3,722.68

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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.