Home / 11,306.80-16,960.12-3,515.60

Finding the Fourth Proportional to 11,306.80, 16,960.12 and 3,515.60

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Solution

The fourth proportional to 11,306.80, 16,960.12 and 3,515.60 is: 5,273.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.80 : 16,960.12 = 3,515.60 : x
  2. Step 2: Convert to fraction form
    11,306.80/16,960.12 = 3,515.60/x
  3. Step 3: Cross multiply
    11,306.80x = 16,960.12 × 3,515.60
  4. Step 4: Simplify right side
    11,306.80x = 59,624,997.87
  5. Step 5: Solve for x
    x = 59,624,997.87/11,306.80
  6. Step 6: Final answer
    x = 5,273.38

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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.