Home / 12,571.19-18,859.22-4,252.56

Finding the Fourth Proportional to 12,571.19, 18,859.22 and 4,252.56

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Solution

The fourth proportional to 12,571.19, 18,859.22 and 4,252.56 is: 6,379.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571.19 : 18,859.22 = 4,252.56 : x
  2. Step 2: Convert to fraction form
    12,571.19/18,859.22 = 4,252.56/x
  3. Step 3: Cross multiply
    12,571.19x = 18,859.22 × 4,252.56
  4. Step 4: Simplify right side
    12,571.19x = 80,199,896.19
  5. Step 5: Solve for x
    x = 80,199,896.19/12,571.19
  6. Step 6: Final answer
    x = 6,379.66

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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.