Home / 11,427.03-17,138.78-4,410.33

Finding the Fourth Proportional to 11,427.03, 17,138.78 and 4,410.33

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Solution

The fourth proportional to 11,427.03, 17,138.78 and 4,410.33 is: 6,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.03 : 17,138.78 = 4,410.33 : x
  2. Step 2: Convert to fraction form
    11,427.03/17,138.78 = 4,410.33/x
  3. Step 3: Cross multiply
    11,427.03x = 17,138.78 × 4,410.33
  4. Step 4: Simplify right side
    11,427.03x = 75,587,653.55
  5. Step 5: Solve for x
    x = 75,587,653.55/11,427.03
  6. Step 6: Final answer
    x = 6,614.81

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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.