Home / 11,298.32-16,949.15-3,900.79

Finding the Fourth Proportional to 11,298.32, 16,949.15 and 3,900.79

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Solution

The fourth proportional to 11,298.32, 16,949.15 and 3,900.79 is: 5,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,298.32 : 16,949.15 = 3,900.79 : x
  2. Step 2: Convert to fraction form
    11,298.32/16,949.15 = 3,900.79/x
  3. Step 3: Cross multiply
    11,298.32x = 16,949.15 × 3,900.79
  4. Step 4: Simplify right side
    11,298.32x = 66,115,091.14
  5. Step 5: Solve for x
    x = 66,115,091.14/11,298.32
  6. Step 6: Final answer
    x = 5,851.76

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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.