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Finding the Fourth Proportional to 11,793.30, 17,673.83 and 6,520.49

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Solution

The fourth proportional to 11,793.30, 17,673.83 and 6,520.49 is: 9,771.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.30 : 17,673.83 = 6,520.49 : x
  2. Step 2: Convert to fraction form
    11,793.30/17,673.83 = 6,520.49/x
  3. Step 3: Cross multiply
    11,793.30x = 17,673.83 × 6,520.49
  4. Step 4: Simplify right side
    11,793.30x = 115,241,999.17
  5. Step 5: Solve for x
    x = 115,241,999.17/11,793.30
  6. Step 6: Final answer
    x = 9,771.82

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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.