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Finding the Fourth Proportional to 22,314.75, 33,448.77 and 7,518.56

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Solution

The fourth proportional to 22,314.75, 33,448.77 and 7,518.56 is: 11,269.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,314.75 : 33,448.77 = 7,518.56 : x
  2. Step 2: Convert to fraction form
    22,314.75/33,448.77 = 7,518.56/x
  3. Step 3: Cross multiply
    22,314.75x = 33,448.77 × 7,518.56
  4. Step 4: Simplify right side
    22,314.75x = 251,486,584.17
  5. Step 5: Solve for x
    x = 251,486,584.17/22,314.75
  6. Step 6: Final answer
    x = 11,269.97

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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.