Home / 11,054.94-16,581.79-4,479.36

Finding the Fourth Proportional to 11,054.94, 16,581.79 and 4,479.36

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Solution

The fourth proportional to 11,054.94, 16,581.79 and 4,479.36 is: 6,718.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.94 : 16,581.79 = 4,479.36 : x
  2. Step 2: Convert to fraction form
    11,054.94/16,581.79 = 4,479.36/x
  3. Step 3: Cross multiply
    11,054.94x = 16,581.79 × 4,479.36
  4. Step 4: Simplify right side
    11,054.94x = 74,275,806.85
  5. Step 5: Solve for x
    x = 74,275,806.85/11,054.94
  6. Step 6: Final answer
    x = 6,718.79

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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.