Home / 11,791.09-16,271.97-6,486.19

Finding the Fourth Proportional to 11,791.09, 16,271.97 and 6,486.19

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Solution

The fourth proportional to 11,791.09, 16,271.97 and 6,486.19 is: 8,951.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.09 : 16,271.97 = 6,486.19 : x
  2. Step 2: Convert to fraction form
    11,791.09/16,271.97 = 6,486.19/x
  3. Step 3: Cross multiply
    11,791.09x = 16,271.97 × 6,486.19
  4. Step 4: Simplify right side
    11,791.09x = 105,543,089.09
  5. Step 5: Solve for x
    x = 105,543,089.09/11,791.09
  6. Step 6: Final answer
    x = 8,951.09

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Half scale
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Double scale
Find fourth proportional to 11,792.09, 16,273.35 and 6,487.19
Similar ratio
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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.