Home / 11,581.40-17,370.99-3,261.29

Finding the Fourth Proportional to 11,581.40, 17,370.99 and 3,261.29

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Solution

The fourth proportional to 11,581.40, 17,370.99 and 3,261.29 is: 4,891.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.40 : 17,370.99 = 3,261.29 : x
  2. Step 2: Convert to fraction form
    11,581.40/17,370.99 = 3,261.29/x
  3. Step 3: Cross multiply
    11,581.40x = 17,370.99 × 3,261.29
  4. Step 4: Simplify right side
    11,581.40x = 56,651,749.12
  5. Step 5: Solve for x
    x = 56,651,749.12/11,581.40
  6. Step 6: Final answer
    x = 4,891.61

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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.