Home / 12,213.44-18,302.21-5,450.82

Finding the Fourth Proportional to 12,213.44, 18,302.21 and 5,450.82

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Solution

The fourth proportional to 12,213.44, 18,302.21 and 5,450.82 is: 8,168.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,213.44 : 18,302.21 = 5,450.82 : x
  2. Step 2: Convert to fraction form
    12,213.44/18,302.21 = 5,450.82/x
  3. Step 3: Cross multiply
    12,213.44x = 18,302.21 × 5,450.82
  4. Step 4: Simplify right side
    12,213.44x = 99,762,065.94
  5. Step 5: Solve for x
    x = 99,762,065.94/12,213.44
  6. Step 6: Final answer
    x = 8,168.22

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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.