Home / 11,383.67-17,078.03-3,487.28

Finding the Fourth Proportional to 11,383.67, 17,078.03 and 3,487.28

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Solution

The fourth proportional to 11,383.67, 17,078.03 and 3,487.28 is: 5,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.67 : 17,078.03 = 3,487.28 : x
  2. Step 2: Convert to fraction form
    11,383.67/17,078.03 = 3,487.28/x
  3. Step 3: Cross multiply
    11,383.67x = 17,078.03 × 3,487.28
  4. Step 4: Simplify right side
    11,383.67x = 59,555,769.63
  5. Step 5: Solve for x
    x = 59,555,769.63/11,383.67
  6. Step 6: Final answer
    x = 5,231.69

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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.