Home / 17,207.28-25,812.32-6,686

Finding the Fourth Proportional to 17,207.28, 25,812.32 and 6,686

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Solution

The fourth proportional to 17,207.28, 25,812.32 and 6,686 is: 10,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,207.28 : 25,812.32 = 6,686 : x
  2. Step 2: Convert to fraction form
    17,207.28/25,812.32 = 6,686/x
  3. Step 3: Cross multiply
    17,207.28x = 25,812.32 × 6,686
  4. Step 4: Simplify right side
    17,207.28x = 172,581,171.52
  5. Step 5: Solve for x
    x = 172,581,171.52/17,207.28
  6. Step 6: Final answer
    x = 10,029.54

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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.