Home / 12,375.49-18,562.69-3,610.75

Finding the Fourth Proportional to 12,375.49, 18,562.69 and 3,610.75

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Solution

The fourth proportional to 12,375.49, 18,562.69 and 3,610.75 is: 5,415.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.49 : 18,562.69 = 3,610.75 : x
  2. Step 2: Convert to fraction form
    12,375.49/18,562.69 = 3,610.75/x
  3. Step 3: Cross multiply
    12,375.49x = 18,562.69 × 3,610.75
  4. Step 4: Simplify right side
    12,375.49x = 67,025,232.92
  5. Step 5: Solve for x
    x = 67,025,232.92/12,375.49
  6. Step 6: Final answer
    x = 5,415.97

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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.