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Finding the Fourth Proportional to 17,104.89, 25,622.91 and 8,207.91

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Solution

The fourth proportional to 17,104.89, 25,622.91 and 8,207.91 is: 12,295.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,104.89 : 25,622.91 = 8,207.91 : x
  2. Step 2: Convert to fraction form
    17,104.89/25,622.91 = 8,207.91/x
  3. Step 3: Cross multiply
    17,104.89x = 25,622.91 × 8,207.91
  4. Step 4: Simplify right side
    17,104.89x = 210,310,539.22
  5. Step 5: Solve for x
    x = 210,310,539.22/17,104.89
  6. Step 6: Final answer
    x = 12,295.35

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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.