Home / 11,599.30-17,399.88-3,279.38

Finding the Fourth Proportional to 11,599.30, 17,399.88 and 3,279.38

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Solution

The fourth proportional to 11,599.30, 17,399.88 and 3,279.38 is: 4,919.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,599.30 : 17,399.88 = 3,279.38 : x
  2. Step 2: Convert to fraction form
    11,599.30/17,399.88 = 3,279.38/x
  3. Step 3: Cross multiply
    11,599.30x = 17,399.88 × 3,279.38
  4. Step 4: Simplify right side
    11,599.30x = 57,060,861.97
  5. Step 5: Solve for x
    x = 57,060,861.97/11,599.30
  6. Step 6: Final answer
    x = 4,919.34

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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.