Home / 11,129.77-16,694.65-3,338.58

Finding the Fourth Proportional to 11,129.77, 16,694.65 and 3,338.58

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Solution

The fourth proportional to 11,129.77, 16,694.65 and 3,338.58 is: 5,007.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.77 : 16,694.65 = 3,338.58 : x
  2. Step 2: Convert to fraction form
    11,129.77/16,694.65 = 3,338.58/x
  3. Step 3: Cross multiply
    11,129.77x = 16,694.65 × 3,338.58
  4. Step 4: Simplify right side
    11,129.77x = 55,736,388.08
  5. Step 5: Solve for x
    x = 55,736,388.08/11,129.77
  6. Step 6: Final answer
    x = 5,007.87

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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.