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Finding the Fourth Proportional to 22,245.93, 33,382.04 and 8,215.78

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Solution

The fourth proportional to 22,245.93, 33,382.04 and 8,215.78 is: 12,328.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245.93 : 33,382.04 = 8,215.78 : x
  2. Step 2: Convert to fraction form
    22,245.93/33,382.04 = 8,215.78/x
  3. Step 3: Cross multiply
    22,245.93x = 33,382.04 × 8,215.78
  4. Step 4: Simplify right side
    22,245.93x = 274,259,496.59
  5. Step 5: Solve for x
    x = 274,259,496.59/22,245.93
  6. Step 6: Final answer
    x = 12,328.52

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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.