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Finding the Fourth Proportional to 22,893.46, 34,340.30 and 8,102.40

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Solution

The fourth proportional to 22,893.46, 34,340.30 and 8,102.40 is: 12,153.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,893.46 : 34,340.30 = 8,102.40 : x
  2. Step 2: Convert to fraction form
    22,893.46/34,340.30 = 8,102.40/x
  3. Step 3: Cross multiply
    22,893.46x = 34,340.30 × 8,102.40
  4. Step 4: Simplify right side
    22,893.46x = 278,238,846.72
  5. Step 5: Solve for x
    x = 278,238,846.72/22,893.46
  6. Step 6: Final answer
    x = 12,153.64

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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.