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Finding the Fourth Proportional to 11,793.66, 16,274.60 and 6,487.62

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Solution

The fourth proportional to 11,793.66, 16,274.60 and 6,487.62 is: 8,952.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.66 : 16,274.60 = 6,487.62 : x
  2. Step 2: Convert to fraction form
    11,793.66/16,274.60 = 6,487.62/x
  3. Step 3: Cross multiply
    11,793.66x = 16,274.60 × 6,487.62
  4. Step 4: Simplify right side
    11,793.66x = 105,583,420.45
  5. Step 5: Solve for x
    x = 105,583,420.45/11,793.66
  6. Step 6: Final answer
    x = 8,952.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.