Home / 11,755.20-16,212.48-8,568.48

Finding the Fourth Proportional to 11,755.20, 16,212.48 and 8,568.48

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Solution

The fourth proportional to 11,755.20, 16,212.48 and 8,568.48 is: 11,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.20 : 16,212.48 = 8,568.48 : x
  2. Step 2: Convert to fraction form
    11,755.20/16,212.48 = 8,568.48/x
  3. Step 3: Cross multiply
    11,755.20x = 16,212.48 × 8,568.48
  4. Step 4: Simplify right side
    11,755.20x = 138,916,310.63
  5. Step 5: Solve for x
    x = 138,916,310.63/11,755.20
  6. Step 6: Final answer
    x = 11,817.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.