Home / 11,428.26-17,144.55-5,188.73

Finding the Fourth Proportional to 11,428.26, 17,144.55 and 5,188.73

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Solution

The fourth proportional to 11,428.26, 17,144.55 and 5,188.73 is: 7,784.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,428.26 : 17,144.55 = 5,188.73 : x
  2. Step 2: Convert to fraction form
    11,428.26/17,144.55 = 5,188.73/x
  3. Step 3: Cross multiply
    11,428.26x = 17,144.55 × 5,188.73
  4. Step 4: Simplify right side
    11,428.26x = 88,958,355.20
  5. Step 5: Solve for x
    x = 88,958,355.20/11,428.26
  6. Step 6: Final answer
    x = 7,784.07

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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.