Home / 22,143.60-33,213.96-8,997.12

Finding the Fourth Proportional to 22,143.60, 33,213.96 and 8,997.12

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Solution

The fourth proportional to 22,143.60, 33,213.96 and 8,997.12 is: 13,495.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143.60 : 33,213.96 = 8,997.12 : x
  2. Step 2: Convert to fraction form
    22,143.60/33,213.96 = 8,997.12/x
  3. Step 3: Cross multiply
    22,143.60x = 33,213.96 × 8,997.12
  4. Step 4: Simplify right side
    22,143.60x = 298,829,983.80
  5. Step 5: Solve for x
    x = 298,829,983.80/22,143.60
  6. Step 6: Final answer
    x = 13,495.09

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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.