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Finding the Fourth Proportional to 17,137, 23,652.30 and 9,685

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Solution

The fourth proportional to 17,137, 23,652.30 and 9,685 is: 13,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,137 : 23,652.30 = 9,685 : x
  2. Step 2: Convert to fraction form
    17,137/23,652.30 = 9,685/x
  3. Step 3: Cross multiply
    17,137x = 23,652.30 × 9,685
  4. Step 4: Simplify right side
    17,137x = 229,072,525.50
  5. Step 5: Solve for x
    x = 229,072,525.50/17,137
  6. Step 6: Final answer
    x = 13,367.13

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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.