Home / 15,194.24-20,967.98-8,479.47

Finding the Fourth Proportional to 15,194.24, 20,967.98 and 8,479.47

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Solution

The fourth proportional to 15,194.24, 20,967.98 and 8,479.47 is: 11,701.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194.24 : 20,967.98 = 8,479.47 : x
  2. Step 2: Convert to fraction form
    15,194.24/20,967.98 = 8,479.47/x
  3. Step 3: Cross multiply
    15,194.24x = 20,967.98 × 8,479.47
  4. Step 4: Simplify right side
    15,194.24x = 177,797,357.37
  5. Step 5: Solve for x
    x = 177,797,357.37/15,194.24
  6. Step 6: Final answer
    x = 11,701.63

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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.