Home / 12,108.11-18,162.16-3,343.03

Finding the Fourth Proportional to 12,108.11, 18,162.16 and 3,343.03

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Solution

The fourth proportional to 12,108.11, 18,162.16 and 3,343.03 is: 5,014.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108.11 : 18,162.16 = 3,343.03 : x
  2. Step 2: Convert to fraction form
    12,108.11/18,162.16 = 3,343.03/x
  3. Step 3: Cross multiply
    12,108.11x = 18,162.16 × 3,343.03
  4. Step 4: Simplify right side
    12,108.11x = 60,716,591.98
  5. Step 5: Solve for x
    x = 60,716,591.98/12,108.11
  6. Step 6: Final answer
    x = 5,014.54

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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.