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Finding the Fourth Proportional to 17,172.15, 25,751.61 and 6,076.77

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Solution

The fourth proportional to 17,172.15, 25,751.61 and 6,076.77 is: 9,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.15 : 25,751.61 = 6,076.77 : x
  2. Step 2: Convert to fraction form
    17,172.15/25,751.61 = 6,076.77/x
  3. Step 3: Cross multiply
    17,172.15x = 25,751.61 × 6,076.77
  4. Step 4: Simplify right side
    17,172.15x = 156,486,611.10
  5. Step 5: Solve for x
    x = 156,486,611.10/17,172.15
  6. Step 6: Final answer
    x = 9,112.81

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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.