Home / 12,322.44-18,469.62-5,308.20

Finding the Fourth Proportional to 12,322.44, 18,469.62 and 5,308.20

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Solution

The fourth proportional to 12,322.44, 18,469.62 and 5,308.20 is: 7,956.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322.44 : 18,469.62 = 5,308.20 : x
  2. Step 2: Convert to fraction form
    12,322.44/18,469.62 = 5,308.20/x
  3. Step 3: Cross multiply
    12,322.44x = 18,469.62 × 5,308.20
  4. Step 4: Simplify right side
    12,322.44x = 98,040,436.88
  5. Step 5: Solve for x
    x = 98,040,436.88/12,322.44
  6. Step 6: Final answer
    x = 7,956.25

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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.