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Finding the Fourth Proportional to 22,185.53, 33,258.86 and 8,344.25

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Solution

The fourth proportional to 22,185.53, 33,258.86 and 8,344.25 is: 12,509.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,185.53 : 33,258.86 = 8,344.25 : x
  2. Step 2: Convert to fraction form
    22,185.53/33,258.86 = 8,344.25/x
  3. Step 3: Cross multiply
    22,185.53x = 33,258.86 × 8,344.25
  4. Step 4: Simplify right side
    22,185.53x = 277,520,242.56
  5. Step 5: Solve for x
    x = 277,520,242.56/22,185.53
  6. Step 6: Final answer
    x = 12,509.07

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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.