Home / 12,163.04-18,245.52-3,843.69

Finding the Fourth Proportional to 12,163.04, 18,245.52 and 3,843.69

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Solution

The fourth proportional to 12,163.04, 18,245.52 and 3,843.69 is: 5,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.04 : 18,245.52 = 3,843.69 : x
  2. Step 2: Convert to fraction form
    12,163.04/18,245.52 = 3,843.69/x
  3. Step 3: Cross multiply
    12,163.04x = 18,245.52 × 3,843.69
  4. Step 4: Simplify right side
    12,163.04x = 70,130,122.77
  5. Step 5: Solve for x
    x = 70,130,122.77/12,163.04
  6. Step 6: Final answer
    x = 5,765.84

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Double scale
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Similar ratio
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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.