Home / 11,372.40-17,058.72-3,581.28

Finding the Fourth Proportional to 11,372.40, 17,058.72 and 3,581.28

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Solution

The fourth proportional to 11,372.40, 17,058.72 and 3,581.28 is: 5,371.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.40 : 17,058.72 = 3,581.28 : x
  2. Step 2: Convert to fraction form
    11,372.40/17,058.72 = 3,581.28/x
  3. Step 3: Cross multiply
    11,372.40x = 17,058.72 × 3,581.28
  4. Step 4: Simplify right side
    11,372.40x = 61,092,052.76
  5. Step 5: Solve for x
    x = 61,092,052.76/11,372.40
  6. Step 6: Final answer
    x = 5,371.96

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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.