Home / 13,171.64-18,183.47-8,944.97

Finding the Fourth Proportional to 13,171.64, 18,183.47 and 8,944.97

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Solution

The fourth proportional to 13,171.64, 18,183.47 and 8,944.97 is: 12,348.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171.64 : 18,183.47 = 8,944.97 : x
  2. Step 2: Convert to fraction form
    13,171.64/18,183.47 = 8,944.97/x
  3. Step 3: Cross multiply
    13,171.64x = 18,183.47 × 8,944.97
  4. Step 4: Simplify right side
    13,171.64x = 162,650,458.00
  5. Step 5: Solve for x
    x = 162,650,458.00/13,171.64
  6. Step 6: Final answer
    x = 12,348.54

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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.