Home / 10,446.97-15,660.46-3,871.39

Finding the Fourth Proportional to 10,446.97, 15,660.46 and 3,871.39

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Solution

The fourth proportional to 10,446.97, 15,660.46 and 3,871.39 is: 5,803.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,446.97 : 15,660.46 = 3,871.39 : x
  2. Step 2: Convert to fraction form
    10,446.97/15,660.46 = 3,871.39/x
  3. Step 3: Cross multiply
    10,446.97x = 15,660.46 × 3,871.39
  4. Step 4: Simplify right side
    10,446.97x = 60,627,650.58
  5. Step 5: Solve for x
    x = 60,627,650.58/10,446.97
  6. Step 6: Final answer
    x = 5,803.37

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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.