Home / 12,375.86-18,560.13-3,608.03

Finding the Fourth Proportional to 12,375.86, 18,560.13 and 3,608.03

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Solution

The fourth proportional to 12,375.86, 18,560.13 and 3,608.03 is: 5,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.86 : 18,560.13 = 3,608.03 : x
  2. Step 2: Convert to fraction form
    12,375.86/18,560.13 = 3,608.03/x
  3. Step 3: Cross multiply
    12,375.86x = 18,560.13 × 3,608.03
  4. Step 4: Simplify right side
    12,375.86x = 66,965,505.84
  5. Step 5: Solve for x
    x = 66,965,505.84/12,375.86
  6. Step 6: Final answer
    x = 5,410.98

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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.