Home / 11,173.33-15,419.17-6,137.54

Finding the Fourth Proportional to 11,173.33, 15,419.17 and 6,137.54

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Solution

The fourth proportional to 11,173.33, 15,419.17 and 6,137.54 is: 8,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.33 : 15,419.17 = 6,137.54 : x
  2. Step 2: Convert to fraction form
    11,173.33/15,419.17 = 6,137.54/x
  3. Step 3: Cross multiply
    11,173.33x = 15,419.17 × 6,137.54
  4. Step 4: Simplify right side
    11,173.33x = 94,635,772.64
  5. Step 5: Solve for x
    x = 94,635,772.64/11,173.33
  6. Step 6: Final answer
    x = 8,469.79

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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.