Home / 11,147.49-16,724.13-3,249.82

Finding the Fourth Proportional to 11,147.49, 16,724.13 and 3,249.82

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Solution

The fourth proportional to 11,147.49, 16,724.13 and 3,249.82 is: 4,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.49 : 16,724.13 = 3,249.82 : x
  2. Step 2: Convert to fraction form
    11,147.49/16,724.13 = 3,249.82/x
  3. Step 3: Cross multiply
    11,147.49x = 16,724.13 × 3,249.82
  4. Step 4: Simplify right side
    11,147.49x = 54,350,412.16
  5. Step 5: Solve for x
    x = 54,350,412.16/11,147.49
  6. Step 6: Final answer
    x = 4,875.57

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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.