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Finding the Fourth Proportional to 11,199.77, 16,790.49 and 6,201.97

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Solution

The fourth proportional to 11,199.77, 16,790.49 and 6,201.97 is: 9,297.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.77 : 16,790.49 = 6,201.97 : x
  2. Step 2: Convert to fraction form
    11,199.77/16,790.49 = 6,201.97/x
  3. Step 3: Cross multiply
    11,199.77x = 16,790.49 × 6,201.97
  4. Step 4: Simplify right side
    11,199.77x = 104,134,073.29
  5. Step 5: Solve for x
    x = 104,134,073.29/11,199.77
  6. Step 6: Final answer
    x = 9,297.88

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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.