Home / 12,427.26-18,641.09-6,571.77

Finding the Fourth Proportional to 12,427.26, 18,641.09 and 6,571.77

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Solution

The fourth proportional to 12,427.26, 18,641.09 and 6,571.77 is: 9,857.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427.26 : 18,641.09 = 6,571.77 : x
  2. Step 2: Convert to fraction form
    12,427.26/18,641.09 = 6,571.77/x
  3. Step 3: Cross multiply
    12,427.26x = 18,641.09 × 6,571.77
  4. Step 4: Simplify right side
    12,427.26x = 122,504,829.97
  5. Step 5: Solve for x
    x = 122,504,829.97/12,427.26
  6. Step 6: Final answer
    x = 9,857.75

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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.