Home / 11,141.43-16,711.98-2,821.38

Finding the Fourth Proportional to 11,141.43, 16,711.98 and 2,821.38

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Solution

The fourth proportional to 11,141.43, 16,711.98 and 2,821.38 is: 4,232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.43 : 16,711.98 = 2,821.38 : x
  2. Step 2: Convert to fraction form
    11,141.43/16,711.98 = 2,821.38/x
  3. Step 3: Cross multiply
    11,141.43x = 16,711.98 × 2,821.38
  4. Step 4: Simplify right side
    11,141.43x = 47,150,846.13
  5. Step 5: Solve for x
    x = 47,150,846.13/11,141.43
  6. Step 6: Final answer
    x = 4,232.03

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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.