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Finding the Fourth Proportional to 22,378.67, 33,537.74 and 8,520.11

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Solution

The fourth proportional to 22,378.67, 33,537.74 and 8,520.11 is: 12,768.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378.67 : 33,537.74 = 8,520.11 : x
  2. Step 2: Convert to fraction form
    22,378.67/33,537.74 = 8,520.11/x
  3. Step 3: Cross multiply
    22,378.67x = 33,537.74 × 8,520.11
  4. Step 4: Simplify right side
    22,378.67x = 285,745,023.66
  5. Step 5: Solve for x
    x = 285,745,023.66/22,378.67
  6. Step 6: Final answer
    x = 12,768.64

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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.