Home / 11,247.21-16,872.36-4,226.94

Finding the Fourth Proportional to 11,247.21, 16,872.36 and 4,226.94

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Solution

The fourth proportional to 11,247.21, 16,872.36 and 4,226.94 is: 6,340.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.21 : 16,872.36 = 4,226.94 : x
  2. Step 2: Convert to fraction form
    11,247.21/16,872.36 = 4,226.94/x
  3. Step 3: Cross multiply
    11,247.21x = 16,872.36 × 4,226.94
  4. Step 4: Simplify right side
    11,247.21x = 71,318,453.38
  5. Step 5: Solve for x
    x = 71,318,453.38/11,247.21
  6. Step 6: Final answer
    x = 6,340.99

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1.5x scale

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.