Home / 11,696.27-16,135.67-6,977.81

Finding the Fourth Proportional to 11,696.27, 16,135.67 and 6,977.81

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Solution

The fourth proportional to 11,696.27, 16,135.67 and 6,977.81 is: 9,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,696.27 : 16,135.67 = 6,977.81 : x
  2. Step 2: Convert to fraction form
    11,696.27/16,135.67 = 6,977.81/x
  3. Step 3: Cross multiply
    11,696.27x = 16,135.67 × 6,977.81
  4. Step 4: Simplify right side
    11,696.27x = 112,591,697.27
  5. Step 5: Solve for x
    x = 112,591,697.27/11,696.27
  6. Step 6: Final answer
    x = 9,626.29

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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.