Home / 11,183.40-15,449.22-10,837.80

Finding the Fourth Proportional to 11,183.40, 15,449.22 and 10,837.80

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Solution

The fourth proportional to 11,183.40, 15,449.22 and 10,837.80 is: 14,971.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.40 : 15,449.22 = 10,837.80 : x
  2. Step 2: Convert to fraction form
    11,183.40/15,449.22 = 10,837.80/x
  3. Step 3: Cross multiply
    11,183.40x = 15,449.22 × 10,837.80
  4. Step 4: Simplify right side
    11,183.40x = 167,435,556.52
  5. Step 5: Solve for x
    x = 167,435,556.52/11,183.40
  6. Step 6: Final answer
    x = 14,971.79

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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.