Home / 11,821.82-16,314.46-6,516.98

Finding the Fourth Proportional to 11,821.82, 16,314.46 and 6,516.98

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Solution

The fourth proportional to 11,821.82, 16,314.46 and 6,516.98 is: 8,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.82 : 16,314.46 = 6,516.98 : x
  2. Step 2: Convert to fraction form
    11,821.82/16,314.46 = 6,516.98/x
  3. Step 3: Cross multiply
    11,821.82x = 16,314.46 × 6,516.98
  4. Step 4: Simplify right side
    11,821.82x = 106,321,009.53
  5. Step 5: Solve for x
    x = 106,321,009.53/11,821.82
  6. Step 6: Final answer
    x = 8,993.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.