Home / 10,769.20-16,153.86-3,373.09

Finding the Fourth Proportional to 10,769.20, 16,153.86 and 3,373.09

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Solution

The fourth proportional to 10,769.20, 16,153.86 and 3,373.09 is: 5,059.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,769.20 : 16,153.86 = 3,373.09 : x
  2. Step 2: Convert to fraction form
    10,769.20/16,153.86 = 3,373.09/x
  3. Step 3: Cross multiply
    10,769.20x = 16,153.86 × 3,373.09
  4. Step 4: Simplify right side
    10,769.20x = 54,488,423.63
  5. Step 5: Solve for x
    x = 54,488,423.63/10,769.20
  6. Step 6: Final answer
    x = 5,059.65

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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.