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Finding the Fourth Proportional to 11,793.92, 17,692.63 and 3,897.27

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Solution

The fourth proportional to 11,793.92, 17,692.63 and 3,897.27 is: 5,846.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.92 : 17,692.63 = 3,897.27 : x
  2. Step 2: Convert to fraction form
    11,793.92/17,692.63 = 3,897.27/x
  3. Step 3: Cross multiply
    11,793.92x = 17,692.63 × 3,897.27
  4. Step 4: Simplify right side
    11,793.92x = 68,952,967.04
  5. Step 5: Solve for x
    x = 68,952,967.04/11,793.92
  6. Step 6: Final answer
    x = 5,846.48

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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.