Home / 10,198.05-15,297.81-3,531.79

Finding the Fourth Proportional to 10,198.05, 15,297.81 and 3,531.79

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Solution

The fourth proportional to 10,198.05, 15,297.81 and 3,531.79 is: 5,297.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.05 : 15,297.81 = 3,531.79 : x
  2. Step 2: Convert to fraction form
    10,198.05/15,297.81 = 3,531.79/x
  3. Step 3: Cross multiply
    10,198.05x = 15,297.81 × 3,531.79
  4. Step 4: Simplify right side
    10,198.05x = 54,028,652.38
  5. Step 5: Solve for x
    x = 54,028,652.38/10,198.05
  6. Step 6: Final answer
    x = 5,297.94

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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.