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Finding the Fourth Proportional to 17,272.92, 25,914.66 and 8,845.39

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Solution

The fourth proportional to 17,272.92, 25,914.66 and 8,845.39 is: 13,270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,272.92 : 25,914.66 = 8,845.39 : x
  2. Step 2: Convert to fraction form
    17,272.92/25,914.66 = 8,845.39/x
  3. Step 3: Cross multiply
    17,272.92x = 25,914.66 × 8,845.39
  4. Step 4: Simplify right side
    17,272.92x = 229,225,242.80
  5. Step 5: Solve for x
    x = 229,225,242.80/17,272.92
  6. Step 6: Final answer
    x = 13,270.79

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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.