Home / 11,218.62-16,817.22-4,196.73

Finding the Fourth Proportional to 11,218.62, 16,817.22 and 4,196.73

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Solution

The fourth proportional to 11,218.62, 16,817.22 and 4,196.73 is: 6,291.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.62 : 16,817.22 = 4,196.73 : x
  2. Step 2: Convert to fraction form
    11,218.62/16,817.22 = 4,196.73/x
  3. Step 3: Cross multiply
    11,218.62x = 16,817.22 × 4,196.73
  4. Step 4: Simplify right side
    11,218.62x = 70,577,331.69
  5. Step 5: Solve for x
    x = 70,577,331.69/11,218.62
  6. Step 6: Final answer
    x = 6,291.09

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.