Home / 15,194.67-20,963.72-8,479.23

Finding the Fourth Proportional to 15,194.67, 20,963.72 and 8,479.23

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Solution

The fourth proportional to 15,194.67, 20,963.72 and 8,479.23 is: 11,698.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194.67 : 20,963.72 = 8,479.23 : x
  2. Step 2: Convert to fraction form
    15,194.67/20,963.72 = 8,479.23/x
  3. Step 3: Cross multiply
    15,194.67x = 20,963.72 × 8,479.23
  4. Step 4: Simplify right side
    15,194.67x = 177,756,161.14
  5. Step 5: Solve for x
    x = 177,756,161.14/15,194.67
  6. Step 6: Final answer
    x = 11,698.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.