Home / 11,388.06-17,081.42-4,371.44

Finding the Fourth Proportional to 11,388.06, 17,081.42 and 4,371.44

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Solution

The fourth proportional to 11,388.06, 17,081.42 and 4,371.44 is: 6,556.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.06 : 17,081.42 = 4,371.44 : x
  2. Step 2: Convert to fraction form
    11,388.06/17,081.42 = 4,371.44/x
  3. Step 3: Cross multiply
    11,388.06x = 17,081.42 × 4,371.44
  4. Step 4: Simplify right side
    11,388.06x = 74,670,295.38
  5. Step 5: Solve for x
    x = 74,670,295.38/11,388.06
  6. Step 6: Final answer
    x = 6,556.89

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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.