Home / 10,165.60-15,246.85-2,770.66

Finding the Fourth Proportional to 10,165.60, 15,246.85 and 2,770.66

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Solution

The fourth proportional to 10,165.60, 15,246.85 and 2,770.66 is: 4,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165.60 : 15,246.85 = 2,770.66 : x
  2. Step 2: Convert to fraction form
    10,165.60/15,246.85 = 2,770.66/x
  3. Step 3: Cross multiply
    10,165.60x = 15,246.85 × 2,770.66
  4. Step 4: Simplify right side
    10,165.60x = 42,243,757.30
  5. Step 5: Solve for x
    x = 42,243,757.30/10,165.60
  6. Step 6: Final answer
    x = 4,155.56

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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.