Home / 12,571.04-18,854.88-4,250.84

Finding the Fourth Proportional to 12,571.04, 18,854.88 and 4,250.84

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Solution

The fourth proportional to 12,571.04, 18,854.88 and 4,250.84 is: 6,375.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571.04 : 18,854.88 = 4,250.84 : x
  2. Step 2: Convert to fraction form
    12,571.04/18,854.88 = 4,250.84/x
  3. Step 3: Cross multiply
    12,571.04x = 18,854.88 × 4,250.84
  4. Step 4: Simplify right side
    12,571.04x = 80,149,078.10
  5. Step 5: Solve for x
    x = 80,149,078.10/12,571.04
  6. Step 6: Final answer
    x = 6,375.69

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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.