Home / 12,114.20-18,171.26-3,349.08

Finding the Fourth Proportional to 12,114.20, 18,171.26 and 3,349.08

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Solution

The fourth proportional to 12,114.20, 18,171.26 and 3,349.08 is: 5,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114.20 : 18,171.26 = 3,349.08 : x
  2. Step 2: Convert to fraction form
    12,114.20/18,171.26 = 3,349.08/x
  3. Step 3: Cross multiply
    12,114.20x = 18,171.26 × 3,349.08
  4. Step 4: Simplify right side
    12,114.20x = 60,856,986.70
  5. Step 5: Solve for x
    x = 60,856,986.70/12,114.20
  6. Step 6: Final answer
    x = 5,023.61

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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.