Home / 11,108.97-16,663.32-2,788.92

Finding the Fourth Proportional to 11,108.97, 16,663.32 and 2,788.92

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Solution

The fourth proportional to 11,108.97, 16,663.32 and 2,788.92 is: 4,183.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.97 : 16,663.32 = 2,788.92 : x
  2. Step 2: Convert to fraction form
    11,108.97/16,663.32 = 2,788.92/x
  3. Step 3: Cross multiply
    11,108.97x = 16,663.32 × 2,788.92
  4. Step 4: Simplify right side
    11,108.97x = 46,472,666.41
  5. Step 5: Solve for x
    x = 46,472,666.41/11,108.97
  6. Step 6: Final answer
    x = 4,183.35

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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.