Home / 10,939.04-16,408.56-2,731.04

Finding the Fourth Proportional to 10,939.04, 16,408.56 and 2,731.04

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Solution

The fourth proportional to 10,939.04, 16,408.56 and 2,731.04 is: 4,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.04 : 16,408.56 = 2,731.04 : x
  2. Step 2: Convert to fraction form
    10,939.04/16,408.56 = 2,731.04/x
  3. Step 3: Cross multiply
    10,939.04x = 16,408.56 × 2,731.04
  4. Step 4: Simplify right side
    10,939.04x = 44,812,433.70
  5. Step 5: Solve for x
    x = 44,812,433.70/10,939.04
  6. Step 6: Final answer
    x = 4,096.56

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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.