Home / 11,479.25-17,212.59-3,579.65

Finding the Fourth Proportional to 11,479.25, 17,212.59 and 3,579.65

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Solution

The fourth proportional to 11,479.25, 17,212.59 and 3,579.65 is: 5,367.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.25 : 17,212.59 = 3,579.65 : x
  2. Step 2: Convert to fraction form
    11,479.25/17,212.59 = 3,579.65/x
  3. Step 3: Cross multiply
    11,479.25x = 17,212.59 × 3,579.65
  4. Step 4: Simplify right side
    11,479.25x = 61,615,026.28
  5. Step 5: Solve for x
    x = 61,615,026.28/11,479.25
  6. Step 6: Final answer
    x = 5,367.52

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1.5x scale

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.