Home / 11,018.88-16,519.68-5,821.92

Finding the Fourth Proportional to 11,018.88, 16,519.68 and 5,821.92

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Solution

The fourth proportional to 11,018.88, 16,519.68 and 5,821.92 is: 8,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.88 : 16,519.68 = 5,821.92 : x
  2. Step 2: Convert to fraction form
    11,018.88/16,519.68 = 5,821.92/x
  3. Step 3: Cross multiply
    11,018.88x = 16,519.68 × 5,821.92
  4. Step 4: Simplify right side
    11,018.88x = 96,176,255.39
  5. Step 5: Solve for x
    x = 96,176,255.39/11,018.88
  6. Step 6: Final answer
    x = 8,728.31

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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.