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Finding the Fourth Proportional to 16,571.45, 22,869.41 and 9,497.89

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Solution

The fourth proportional to 16,571.45, 22,869.41 and 9,497.89 is: 13,107.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,571.45 : 22,869.41 = 9,497.89 : x
  2. Step 2: Convert to fraction form
    16,571.45/22,869.41 = 9,497.89/x
  3. Step 3: Cross multiply
    16,571.45x = 22,869.41 × 9,497.89
  4. Step 4: Simplify right side
    16,571.45x = 217,211,121.64
  5. Step 5: Solve for x
    x = 217,211,121.64/16,571.45
  6. Step 6: Final answer
    x = 13,107.55

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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.