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Finding the Fourth Proportional to 8,845.06, 13,198.62 and 8,059.09

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Solution

The fourth proportional to 8,845.06, 13,198.62 and 8,059.09 is: 12,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.06 : 13,198.62 = 8,059.09 : x
  2. Step 2: Convert to fraction form
    8,845.06/13,198.62 = 8,059.09/x
  3. Step 3: Cross multiply
    8,845.06x = 13,198.62 × 8,059.09
  4. Step 4: Simplify right side
    8,845.06x = 106,368,826.16
  5. Step 5: Solve for x
    x = 106,368,826.16/8,845.06
  6. Step 6: Final answer
    x = 12,025.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.