Home / 11,279.99-16,913.85-3,381.41

Finding the Fourth Proportional to 11,279.99, 16,913.85 and 3,381.41

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Solution

The fourth proportional to 11,279.99, 16,913.85 and 3,381.41 is: 5,070.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.99 : 16,913.85 = 3,381.41 : x
  2. Step 2: Convert to fraction form
    11,279.99/16,913.85 = 3,381.41/x
  3. Step 3: Cross multiply
    11,279.99x = 16,913.85 × 3,381.41
  4. Step 4: Simplify right side
    11,279.99x = 57,192,576.96
  5. Step 5: Solve for x
    x = 57,192,576.96/11,279.99
  6. Step 6: Final answer
    x = 5,070.27

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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.