Home / 11,768.96-16,239.36-6,800

Finding the Fourth Proportional to 11,768.96, 16,239.36 and 6,800

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Solution

The fourth proportional to 11,768.96, 16,239.36 and 6,800 is: 9,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.96 : 16,239.36 = 6,800 : x
  2. Step 2: Convert to fraction form
    11,768.96/16,239.36 = 6,800/x
  3. Step 3: Cross multiply
    11,768.96x = 16,239.36 × 6,800
  4. Step 4: Simplify right side
    11,768.96x = 110,427,648
  5. Step 5: Solve for x
    x = 110,427,648/11,768.96
  6. Step 6: Final answer
    x = 9,382.96

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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.