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Finding the Fourth Proportional to 11,644, 16,068.78 and 6,338.82

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Solution

The fourth proportional to 11,644, 16,068.78 and 6,338.82 is: 8,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,644 : 16,068.78 = 6,338.82 : x
  2. Step 2: Convert to fraction form
    11,644/16,068.78 = 6,338.82/x
  3. Step 3: Cross multiply
    11,644x = 16,068.78 × 6,338.82
  4. Step 4: Simplify right side
    11,644x = 101,857,104.04
  5. Step 5: Solve for x
    x = 101,857,104.04/11,644
  6. Step 6: Final answer
    x = 8,747.60

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1.5x scale

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.