Home / 11,131.40-16,692.21-3,338.39

Finding the Fourth Proportional to 11,131.40, 16,692.21 and 3,338.39

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Solution

The fourth proportional to 11,131.40, 16,692.21 and 3,338.39 is: 5,006.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.40 : 16,692.21 = 3,338.39 : x
  2. Step 2: Convert to fraction form
    11,131.40/16,692.21 = 3,338.39/x
  3. Step 3: Cross multiply
    11,131.40x = 16,692.21 × 3,338.39
  4. Step 4: Simplify right side
    11,131.40x = 55,725,148.67
  5. Step 5: Solve for x
    x = 55,725,148.67/11,131.40
  6. Step 6: Final answer
    x = 5,006.12

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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.