Home / 12,114.09-18,171.11-3,348.99

Finding the Fourth Proportional to 12,114.09, 18,171.11 and 3,348.99

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Solution

The fourth proportional to 12,114.09, 18,171.11 and 3,348.99 is: 5,023.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114.09 : 18,171.11 = 3,348.99 : x
  2. Step 2: Convert to fraction form
    12,114.09/18,171.11 = 3,348.99/x
  3. Step 3: Cross multiply
    12,114.09x = 18,171.11 × 3,348.99
  4. Step 4: Simplify right side
    12,114.09x = 60,854,874.05
  5. Step 5: Solve for x
    x = 60,854,874.05/12,114.09
  6. Step 6: Final answer
    x = 5,023.48

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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.