Home / 11,028-16,544.16-4,872

Finding the Fourth Proportional to 11,028, 16,544.16 and 4,872

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Solution

The fourth proportional to 11,028, 16,544.16 and 4,872 is: 7,308.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028 : 16,544.16 = 4,872 : x
  2. Step 2: Convert to fraction form
    11,028/16,544.16 = 4,872/x
  3. Step 3: Cross multiply
    11,028x = 16,544.16 × 4,872
  4. Step 4: Simplify right side
    11,028x = 80,603,147.52
  5. Step 5: Solve for x
    x = 80,603,147.52/11,028
  6. Step 6: Final answer
    x = 7,308.95

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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.