Home / 11,181.82-15,431.27-6,146.21

Finding the Fourth Proportional to 11,181.82, 15,431.27 and 6,146.21

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Solution

The fourth proportional to 11,181.82, 15,431.27 and 6,146.21 is: 8,481.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.82 : 15,431.27 = 6,146.21 : x
  2. Step 2: Convert to fraction form
    11,181.82/15,431.27 = 6,146.21/x
  3. Step 3: Cross multiply
    11,181.82x = 15,431.27 × 6,146.21
  4. Step 4: Simplify right side
    11,181.82x = 94,843,825.99
  5. Step 5: Solve for x
    x = 94,843,825.99/11,181.82
  6. Step 6: Final answer
    x = 8,481.97

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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.