Home / 11,335.19-17,002.26-3,940.20

Finding the Fourth Proportional to 11,335.19, 17,002.26 and 3,940.20

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Solution

The fourth proportional to 11,335.19, 17,002.26 and 3,940.20 is: 5,910.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.19 : 17,002.26 = 3,940.20 : x
  2. Step 2: Convert to fraction form
    11,335.19/17,002.26 = 3,940.20/x
  3. Step 3: Cross multiply
    11,335.19x = 17,002.26 × 3,940.20
  4. Step 4: Simplify right side
    11,335.19x = 66,992,304.85
  5. Step 5: Solve for x
    x = 66,992,304.85/11,335.19
  6. Step 6: Final answer
    x = 5,910.12

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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.