Home / 10,791.74-16,183.68-3,769.79

Finding the Fourth Proportional to 10,791.74, 16,183.68 and 3,769.79

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Solution

The fourth proportional to 10,791.74, 16,183.68 and 3,769.79 is: 5,653.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.74 : 16,183.68 = 3,769.79 : x
  2. Step 2: Convert to fraction form
    10,791.74/16,183.68 = 3,769.79/x
  3. Step 3: Cross multiply
    10,791.74x = 16,183.68 × 3,769.79
  4. Step 4: Simplify right side
    10,791.74x = 61,008,994.11
  5. Step 5: Solve for x
    x = 61,008,994.11/10,791.74
  6. Step 6: Final answer
    x = 5,653.31

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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.