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Finding the Fourth Proportional to 16,636.67, 22,960.64 and 9,563.09

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Solution

The fourth proportional to 16,636.67, 22,960.64 and 9,563.09 is: 13,198.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,636.67 : 22,960.64 = 9,563.09 : x
  2. Step 2: Convert to fraction form
    16,636.67/22,960.64 = 9,563.09/x
  3. Step 3: Cross multiply
    16,636.67x = 22,960.64 × 9,563.09
  4. Step 4: Simplify right side
    16,636.67x = 219,574,666.78
  5. Step 5: Solve for x
    x = 219,574,666.78/16,636.67
  6. Step 6: Final answer
    x = 13,198.23

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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.