Home / 11,245.10-16,867.64-3,452.90

Finding the Fourth Proportional to 11,245.10, 16,867.64 and 3,452.90

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Solution

The fourth proportional to 11,245.10, 16,867.64 and 3,452.90 is: 5,179.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.10 : 16,867.64 = 3,452.90 : x
  2. Step 2: Convert to fraction form
    11,245.10/16,867.64 = 3,452.90/x
  3. Step 3: Cross multiply
    11,245.10x = 16,867.64 × 3,452.90
  4. Step 4: Simplify right side
    11,245.10x = 58,242,198.45
  5. Step 5: Solve for x
    x = 58,242,198.45/11,245.10
  6. Step 6: Final answer
    x = 5,179.34

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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.