Home / 11,003.07-15,183.96-6,287.36

Finding the Fourth Proportional to 11,003.07, 15,183.96 and 6,287.36

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Solution

The fourth proportional to 11,003.07, 15,183.96 and 6,287.36 is: 8,676.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.07 : 15,183.96 = 6,287.36 : x
  2. Step 2: Convert to fraction form
    11,003.07/15,183.96 = 6,287.36/x
  3. Step 3: Cross multiply
    11,003.07x = 15,183.96 × 6,287.36
  4. Step 4: Simplify right side
    11,003.07x = 95,466,923.25
  5. Step 5: Solve for x
    x = 95,466,923.25/11,003.07
  6. Step 6: Final answer
    x = 8,676.39

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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.