Home / 11,311.98-16,963.90-3,914.43

Finding the Fourth Proportional to 11,311.98, 16,963.90 and 3,914.43

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Solution

The fourth proportional to 11,311.98, 16,963.90 and 3,914.43 is: 5,870.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.98 : 16,963.90 = 3,914.43 : x
  2. Step 2: Convert to fraction form
    11,311.98/16,963.90 = 3,914.43/x
  3. Step 3: Cross multiply
    11,311.98x = 16,963.90 × 3,914.43
  4. Step 4: Simplify right side
    11,311.98x = 66,403,904.47
  5. Step 5: Solve for x
    x = 66,403,904.47/11,311.98
  6. Step 6: Final answer
    x = 5,870.23

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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.