Home / 11,801.69-16,286.08-6,496.39

Finding the Fourth Proportional to 11,801.69, 16,286.08 and 6,496.39

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Solution

The fourth proportional to 11,801.69, 16,286.08 and 6,496.39 is: 8,964.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.69 : 16,286.08 = 6,496.39 : x
  2. Step 2: Convert to fraction form
    11,801.69/16,286.08 = 6,496.39/x
  3. Step 3: Cross multiply
    11,801.69x = 16,286.08 × 6,496.39
  4. Step 4: Simplify right side
    11,801.69x = 105,800,727.25
  5. Step 5: Solve for x
    x = 105,800,727.25/11,801.69
  6. Step 6: Final answer
    x = 8,964.88

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Half scale
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Double scale
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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.