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Finding the Fourth Proportional to 16,568.46, 22,865.46 and 9,398.73

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Solution

The fourth proportional to 16,568.46, 22,865.46 and 9,398.73 is: 12,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,568.46 : 22,865.46 = 9,398.73 : x
  2. Step 2: Convert to fraction form
    16,568.46/22,865.46 = 9,398.73/x
  3. Step 3: Cross multiply
    16,568.46x = 22,865.46 × 9,398.73
  4. Step 4: Simplify right side
    16,568.46x = 214,906,284.87
  5. Step 5: Solve for x
    x = 214,906,284.87/16,568.46
  6. Step 6: Final answer
    x = 12,970.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.