Home / 17,119.68-25,679.94-5,110.64

Finding the Fourth Proportional to 17,119.68, 25,679.94 and 5,110.64

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Solution

The fourth proportional to 17,119.68, 25,679.94 and 5,110.64 is: 7,666.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,119.68 : 25,679.94 = 5,110.64 : x
  2. Step 2: Convert to fraction form
    17,119.68/25,679.94 = 5,110.64/x
  3. Step 3: Cross multiply
    17,119.68x = 25,679.94 × 5,110.64
  4. Step 4: Simplify right side
    17,119.68x = 131,240,928.56
  5. Step 5: Solve for x
    x = 131,240,928.56/17,119.68
  6. Step 6: Final answer
    x = 7,666.09

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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.