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Finding the Fourth Proportional to 22,596.36, 33,912.72 and 12,745.14

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Solution

The fourth proportional to 22,596.36, 33,912.72 and 12,745.14 is: 19,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,596.36 : 33,912.72 = 12,745.14 : x
  2. Step 2: Convert to fraction form
    22,596.36/33,912.72 = 12,745.14/x
  3. Step 3: Cross multiply
    22,596.36x = 33,912.72 × 12,745.14
  4. Step 4: Simplify right side
    22,596.36x = 432,222,364.18
  5. Step 5: Solve for x
    x = 432,222,364.18/22,596.36
  6. Step 6: Final answer
    x = 19,127.96

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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.