Home / 22,143.43-33,215.10-8,992.72

Finding the Fourth Proportional to 22,143.43, 33,215.10 and 8,992.72

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Solution

The fourth proportional to 22,143.43, 33,215.10 and 8,992.72 is: 13,489.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143.43 : 33,215.10 = 8,992.72 : x
  2. Step 2: Convert to fraction form
    22,143.43/33,215.10 = 8,992.72/x
  3. Step 3: Cross multiply
    22,143.43x = 33,215.10 × 8,992.72
  4. Step 4: Simplify right side
    22,143.43x = 298,694,094.07
  5. Step 5: Solve for x
    x = 298,694,094.07/22,143.43
  6. Step 6: Final answer
    x = 13,489.06

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Similar ratio
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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.