Home / 11,832.96-16,330.56-6,864

Finding the Fourth Proportional to 11,832.96, 16,330.56 and 6,864

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Solution

The fourth proportional to 11,832.96, 16,330.56 and 6,864 is: 9,472.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.96 : 16,330.56 = 6,864 : x
  2. Step 2: Convert to fraction form
    11,832.96/16,330.56 = 6,864/x
  3. Step 3: Cross multiply
    11,832.96x = 16,330.56 × 6,864
  4. Step 4: Simplify right side
    11,832.96x = 112,092,963.84
  5. Step 5: Solve for x
    x = 112,092,963.84/11,832.96
  6. Step 6: Final answer
    x = 9,472.94

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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.