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Finding the Fourth Proportional to 11,083.62, 16,586.52 and 8,602.62

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Solution

The fourth proportional to 11,083.62, 16,586.52 and 8,602.62 is: 12,873.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,083.62 : 16,586.52 = 8,602.62 : x
  2. Step 2: Convert to fraction form
    11,083.62/16,586.52 = 8,602.62/x
  3. Step 3: Cross multiply
    11,083.62x = 16,586.52 × 8,602.62
  4. Step 4: Simplify right side
    11,083.62x = 142,687,528.68
  5. Step 5: Solve for x
    x = 142,687,528.68/11,083.62
  6. Step 6: Final answer
    x = 12,873.73

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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.