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Finding the Fourth Proportional to 22,940.96, 34,408.20 and 7,356.56

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Solution

The fourth proportional to 22,940.96, 34,408.20 and 7,356.56 is: 11,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,940.96 : 34,408.20 = 7,356.56 : x
  2. Step 2: Convert to fraction form
    22,940.96/34,408.20 = 7,356.56/x
  3. Step 3: Cross multiply
    22,940.96x = 34,408.20 × 7,356.56
  4. Step 4: Simplify right side
    22,940.96x = 253,125,987.79
  5. Step 5: Solve for x
    x = 253,125,987.79/22,940.96
  6. Step 6: Final answer
    x = 11,033.80

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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.