Home / 10,340.28-15,510.60-3,414.96

Finding the Fourth Proportional to 10,340.28, 15,510.60 and 3,414.96

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Solution

The fourth proportional to 10,340.28, 15,510.60 and 3,414.96 is: 5,122.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.28 : 15,510.60 = 3,414.96 : x
  2. Step 2: Convert to fraction form
    10,340.28/15,510.60 = 3,414.96/x
  3. Step 3: Cross multiply
    10,340.28x = 15,510.60 × 3,414.96
  4. Step 4: Simplify right side
    10,340.28x = 52,968,078.58
  5. Step 5: Solve for x
    x = 52,968,078.58/10,340.28
  6. Step 6: Final answer
    x = 5,122.50

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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.