Home / 17,169.28-25,709.88-11,896.80

Finding the Fourth Proportional to 17,169.28, 25,709.88 and 11,896.80

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Solution

The fourth proportional to 17,169.28, 25,709.88 and 11,896.80 is: 17,814.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,169.28 : 25,709.88 = 11,896.80 : x
  2. Step 2: Convert to fraction form
    17,169.28/25,709.88 = 11,896.80/x
  3. Step 3: Cross multiply
    17,169.28x = 25,709.88 × 11,896.80
  4. Step 4: Simplify right side
    17,169.28x = 305,865,300.38
  5. Step 5: Solve for x
    x = 305,865,300.38/17,169.28
  6. Step 6: Final answer
    x = 17,814.68

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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.