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Finding the Fourth Proportional to 22,266.70, 33,416.97 and 8,239.99

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Solution

The fourth proportional to 22,266.70, 33,416.97 and 8,239.99 is: 12,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,266.70 : 33,416.97 = 8,239.99 : x
  2. Step 2: Convert to fraction form
    22,266.70/33,416.97 = 8,239.99/x
  3. Step 3: Cross multiply
    22,266.70x = 33,416.97 × 8,239.99
  4. Step 4: Simplify right side
    22,266.70x = 275,355,498.63
  5. Step 5: Solve for x
    x = 275,355,498.63/22,266.70
  6. Step 6: Final answer
    x = 12,366.25

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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.