Home / 10,991.73-16,489.62-3,596.61

Finding the Fourth Proportional to 10,991.73, 16,489.62 and 3,596.61

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Solution

The fourth proportional to 10,991.73, 16,489.62 and 3,596.61 is: 5,395.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991.73 : 16,489.62 = 3,596.61 : x
  2. Step 2: Convert to fraction form
    10,991.73/16,489.62 = 3,596.61/x
  3. Step 3: Cross multiply
    10,991.73x = 16,489.62 × 3,596.61
  4. Step 4: Simplify right side
    10,991.73x = 59,306,732.19
  5. Step 5: Solve for x
    x = 59,306,732.19/10,991.73
  6. Step 6: Final answer
    x = 5,395.58

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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.