Home / 10,977.66-16,470.54-3,958.20

Finding the Fourth Proportional to 10,977.66, 16,470.54 and 3,958.20

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Solution

The fourth proportional to 10,977.66, 16,470.54 and 3,958.20 is: 5,938.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.66 : 16,470.54 = 3,958.20 : x
  2. Step 2: Convert to fraction form
    10,977.66/16,470.54 = 3,958.20/x
  3. Step 3: Cross multiply
    10,977.66x = 16,470.54 × 3,958.20
  4. Step 4: Simplify right side
    10,977.66x = 65,193,691.43
  5. Step 5: Solve for x
    x = 65,193,691.43/10,977.66
  6. Step 6: Final answer
    x = 5,938.76

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1.5x scale

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.