Home / 36,129.16-54,198.85-11,171.37

Finding the Fourth Proportional to 36,129.16, 54,198.85 and 11,171.37

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Solution

The fourth proportional to 36,129.16, 54,198.85 and 11,171.37 is: 16,758.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,129.16 : 54,198.85 = 11,171.37 : x
  2. Step 2: Convert to fraction form
    36,129.16/54,198.85 = 11,171.37/x
  3. Step 3: Cross multiply
    36,129.16x = 54,198.85 × 11,171.37
  4. Step 4: Simplify right side
    36,129.16x = 605,475,406.92
  5. Step 5: Solve for x
    x = 605,475,406.92/36,129.16
  6. Step 6: Final answer
    x = 16,758.64

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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.