Home / 12,375.66-18,563.27-3,015.75

Finding the Fourth Proportional to 12,375.66, 18,563.27 and 3,015.75

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Solution

The fourth proportional to 12,375.66, 18,563.27 and 3,015.75 is: 4,523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.66 : 18,563.27 = 3,015.75 : x
  2. Step 2: Convert to fraction form
    12,375.66/18,563.27 = 3,015.75/x
  3. Step 3: Cross multiply
    12,375.66x = 18,563.27 × 3,015.75
  4. Step 4: Simplify right side
    12,375.66x = 55,982,166.42
  5. Step 5: Solve for x
    x = 55,982,166.42/12,375.66
  6. Step 6: Final answer
    x = 4,523.57

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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.