Home / 11,110.48-16,650.92-5,479.54

Finding the Fourth Proportional to 11,110.48, 16,650.92 and 5,479.54

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Solution

The fourth proportional to 11,110.48, 16,650.92 and 5,479.54 is: 8,212.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.48 : 16,650.92 = 5,479.54 : x
  2. Step 2: Convert to fraction form
    11,110.48/16,650.92 = 5,479.54/x
  3. Step 3: Cross multiply
    11,110.48x = 16,650.92 × 5,479.54
  4. Step 4: Simplify right side
    11,110.48x = 91,239,382.18
  5. Step 5: Solve for x
    x = 91,239,382.18/11,110.48
  6. Step 6: Final answer
    x = 8,212.01

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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.