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Finding the Fourth Proportional to 17,112.60, 25,672.73 and 6,019.65

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Solution

The fourth proportional to 17,112.60, 25,672.73 and 6,019.65 is: 9,030.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,112.60 : 25,672.73 = 6,019.65 : x
  2. Step 2: Convert to fraction form
    17,112.60/25,672.73 = 6,019.65/x
  3. Step 3: Cross multiply
    17,112.60x = 25,672.73 × 6,019.65
  4. Step 4: Simplify right side
    17,112.60x = 154,540,819.05
  5. Step 5: Solve for x
    x = 154,540,819.05/17,112.60
  6. Step 6: Final answer
    x = 9,030.82

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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.