Home / 11,165.36-16,748.07-3,769.88

Finding the Fourth Proportional to 11,165.36, 16,748.07 and 3,769.88

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Solution

The fourth proportional to 11,165.36, 16,748.07 and 3,769.88 is: 5,654.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.36 : 16,748.07 = 3,769.88 : x
  2. Step 2: Convert to fraction form
    11,165.36/16,748.07 = 3,769.88/x
  3. Step 3: Cross multiply
    11,165.36x = 16,748.07 × 3,769.88
  4. Step 4: Simplify right side
    11,165.36x = 63,138,214.13
  5. Step 5: Solve for x
    x = 63,138,214.13/11,165.36
  6. Step 6: Final answer
    x = 5,654.83

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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.