Home / 11,821.89-17,735.44-3,502.56

Finding the Fourth Proportional to 11,821.89, 17,735.44 and 3,502.56

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Solution

The fourth proportional to 11,821.89, 17,735.44 and 3,502.56 is: 5,254.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.89 : 17,735.44 = 3,502.56 : x
  2. Step 2: Convert to fraction form
    11,821.89/17,735.44 = 3,502.56/x
  3. Step 3: Cross multiply
    11,821.89x = 17,735.44 × 3,502.56
  4. Step 4: Simplify right side
    11,821.89x = 62,119,425.21
  5. Step 5: Solve for x
    x = 62,119,425.21/11,821.89
  6. Step 6: Final answer
    x = 5,254.61

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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.