Home / 17,269.70-23,836.41-11,315.78

Finding the Fourth Proportional to 17,269.70, 23,836.41 and 11,315.78

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Solution

The fourth proportional to 17,269.70, 23,836.41 and 11,315.78 is: 15,618.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,269.70 : 23,836.41 = 11,315.78 : x
  2. Step 2: Convert to fraction form
    17,269.70/23,836.41 = 11,315.78/x
  3. Step 3: Cross multiply
    17,269.70x = 23,836.41 × 11,315.78
  4. Step 4: Simplify right side
    17,269.70x = 269,727,571.55
  5. Step 5: Solve for x
    x = 269,727,571.55/17,269.70
  6. Step 6: Final answer
    x = 15,618.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.