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Finding the Fourth Proportional to 17,200.88, 25,801.48 and 6,107.76

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Solution

The fourth proportional to 17,200.88, 25,801.48 and 6,107.76 is: 9,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,200.88 : 25,801.48 = 6,107.76 : x
  2. Step 2: Convert to fraction form
    17,200.88/25,801.48 = 6,107.76/x
  3. Step 3: Cross multiply
    17,200.88x = 25,801.48 × 6,107.76
  4. Step 4: Simplify right side
    17,200.88x = 157,589,247.48
  5. Step 5: Solve for x
    x = 157,589,247.48/17,200.88
  6. Step 6: Final answer
    x = 9,161.70

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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.