Home / 11,003.09-15,183.99-6,287.09

Finding the Fourth Proportional to 11,003.09, 15,183.99 and 6,287.09

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Solution

The fourth proportional to 11,003.09, 15,183.99 and 6,287.09 is: 8,676.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.09 : 15,183.99 = 6,287.09 : x
  2. Step 2: Convert to fraction form
    11,003.09/15,183.99 = 6,287.09/x
  3. Step 3: Cross multiply
    11,003.09x = 15,183.99 × 6,287.09
  4. Step 4: Simplify right side
    11,003.09x = 95,463,035.77
  5. Step 5: Solve for x
    x = 95,463,035.77/11,003.09
  6. Step 6: Final answer
    x = 8,676.02

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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.