Home / 11,003.40-15,183.28-6,288

Finding the Fourth Proportional to 11,003.40, 15,183.28 and 6,288

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Solution

The fourth proportional to 11,003.40, 15,183.28 and 6,288 is: 8,676.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.40 : 15,183.28 = 6,288 : x
  2. Step 2: Convert to fraction form
    11,003.40/15,183.28 = 6,288/x
  3. Step 3: Cross multiply
    11,003.40x = 15,183.28 × 6,288
  4. Step 4: Simplify right side
    11,003.40x = 95,472,464.64
  5. Step 5: Solve for x
    x = 95,472,464.64/11,003.40
  6. Step 6: Final answer
    x = 8,676.63

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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.