Home / 15,213.26-20,992.22-8,498.06

Finding the Fourth Proportional to 15,213.26, 20,992.22 and 8,498.06

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Solution

The fourth proportional to 15,213.26, 20,992.22 and 8,498.06 is: 11,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.26 : 20,992.22 = 8,498.06 : x
  2. Step 2: Convert to fraction form
    15,213.26/20,992.22 = 8,498.06/x
  3. Step 3: Cross multiply
    15,213.26x = 20,992.22 × 8,498.06
  4. Step 4: Simplify right side
    15,213.26x = 178,392,997.64
  5. Step 5: Solve for x
    x = 178,392,997.64/15,213.26
  6. Step 6: Final answer
    x = 11,726.15

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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.