Home / 11,272.46-16,907.70-3,480.50

Finding the Fourth Proportional to 11,272.46, 16,907.70 and 3,480.50

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Solution

The fourth proportional to 11,272.46, 16,907.70 and 3,480.50 is: 5,220.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.46 : 16,907.70 = 3,480.50 : x
  2. Step 2: Convert to fraction form
    11,272.46/16,907.70 = 3,480.50/x
  3. Step 3: Cross multiply
    11,272.46x = 16,907.70 × 3,480.50
  4. Step 4: Simplify right side
    11,272.46x = 58,847,249.85
  5. Step 5: Solve for x
    x = 58,847,249.85/11,272.46
  6. Step 6: Final answer
    x = 5,220.44

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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.