Home / 12,571.44-18,859.59-4,252.81

Finding the Fourth Proportional to 12,571.44, 18,859.59 and 4,252.81

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Solution

The fourth proportional to 12,571.44, 18,859.59 and 4,252.81 is: 6,380.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571.44 : 18,859.59 = 4,252.81 : x
  2. Step 2: Convert to fraction form
    12,571.44/18,859.59 = 4,252.81/x
  3. Step 3: Cross multiply
    12,571.44x = 18,859.59 × 4,252.81
  4. Step 4: Simplify right side
    12,571.44x = 80,206,205.80
  5. Step 5: Solve for x
    x = 80,206,205.80/12,571.44
  6. Step 6: Final answer
    x = 6,380.03

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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.