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Finding the Fourth Proportional to 9,149.03, 13,696.80 and 8,273.54

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Solution

The fourth proportional to 9,149.03, 13,696.80 and 8,273.54 is: 12,386.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.03 : 13,696.80 = 8,273.54 : x
  2. Step 2: Convert to fraction form
    9,149.03/13,696.80 = 8,273.54/x
  3. Step 3: Cross multiply
    9,149.03x = 13,696.80 × 8,273.54
  4. Step 4: Simplify right side
    9,149.03x = 113,321,022.67
  5. Step 5: Solve for x
    x = 113,321,022.67/9,149.03
  6. Step 6: Final answer
    x = 12,386.12

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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.