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Finding the Fourth Proportional to 17,020.14, 25,519.68 and 8,260.80

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Solution

The fourth proportional to 17,020.14, 25,519.68 and 8,260.80 is: 12,386.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,020.14 : 25,519.68 = 8,260.80 : x
  2. Step 2: Convert to fraction form
    17,020.14/25,519.68 = 8,260.80/x
  3. Step 3: Cross multiply
    17,020.14x = 25,519.68 × 8,260.80
  4. Step 4: Simplify right side
    17,020.14x = 210,812,972.54
  5. Step 5: Solve for x
    x = 210,812,972.54/17,020.14
  6. Step 6: Final answer
    x = 12,386.09

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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.