Home / 12,571.12-18,853.56-4,250.94

Finding the Fourth Proportional to 12,571.12, 18,853.56 and 4,250.94

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Solution

The fourth proportional to 12,571.12, 18,853.56 and 4,250.94 is: 6,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571.12 : 18,853.56 = 4,250.94 : x
  2. Step 2: Convert to fraction form
    12,571.12/18,853.56 = 4,250.94/x
  3. Step 3: Cross multiply
    12,571.12x = 18,853.56 × 4,250.94
  4. Step 4: Simplify right side
    12,571.12x = 80,145,352.35
  5. Step 5: Solve for x
    x = 80,145,352.35/12,571.12
  6. Step 6: Final answer
    x = 6,375.35

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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.