Home / 11,270.42-16,908.39-3,874.98

Finding the Fourth Proportional to 11,270.42, 16,908.39 and 3,874.98

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Solution

The fourth proportional to 11,270.42, 16,908.39 and 3,874.98 is: 5,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.42 : 16,908.39 = 3,874.98 : x
  2. Step 2: Convert to fraction form
    11,270.42/16,908.39 = 3,874.98/x
  3. Step 3: Cross multiply
    11,270.42x = 16,908.39 × 3,874.98
  4. Step 4: Simplify right side
    11,270.42x = 65,519,673.08
  5. Step 5: Solve for x
    x = 65,519,673.08/11,270.42
  6. Step 6: Final answer
    x = 5,813.42

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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.