Home / 10,940.20-16,414.35-4,371.10

Finding the Fourth Proportional to 10,940.20, 16,414.35 and 4,371.10

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Solution

The fourth proportional to 10,940.20, 16,414.35 and 4,371.10 is: 6,558.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.20 : 16,414.35 = 4,371.10 : x
  2. Step 2: Convert to fraction form
    10,940.20/16,414.35 = 4,371.10/x
  3. Step 3: Cross multiply
    10,940.20x = 16,414.35 × 4,371.10
  4. Step 4: Simplify right side
    10,940.20x = 71,748,765.29
  5. Step 5: Solve for x
    x = 71,748,765.29/10,940.20
  6. Step 6: Final answer
    x = 6,558.27

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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.