Home / 11,190.26-16,761.90-5,340.98

Finding the Fourth Proportional to 11,190.26, 16,761.90 and 5,340.98

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Solution

The fourth proportional to 11,190.26, 16,761.90 and 5,340.98 is: 8,000.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.26 : 16,761.90 = 5,340.98 : x
  2. Step 2: Convert to fraction form
    11,190.26/16,761.90 = 5,340.98/x
  3. Step 3: Cross multiply
    11,190.26x = 16,761.90 × 5,340.98
  4. Step 4: Simplify right side
    11,190.26x = 89,524,972.66
  5. Step 5: Solve for x
    x = 89,524,972.66/11,190.26
  6. Step 6: Final answer
    x = 8,000.26

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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.