Home / 10,181.96-15,272.96-2,786.49

Finding the Fourth Proportional to 10,181.96, 15,272.96 and 2,786.49

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Solution

The fourth proportional to 10,181.96, 15,272.96 and 2,786.49 is: 4,179.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.96 : 15,272.96 = 2,786.49 : x
  2. Step 2: Convert to fraction form
    10,181.96/15,272.96 = 2,786.49/x
  3. Step 3: Cross multiply
    10,181.96x = 15,272.96 × 2,786.49
  4. Step 4: Simplify right side
    10,181.96x = 42,557,936.38
  5. Step 5: Solve for x
    x = 42,557,936.38/10,181.96
  6. Step 6: Final answer
    x = 4,179.74

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