Home / 11,355.35-17,033.09-3,959.78

Finding the Fourth Proportional to 11,355.35, 17,033.09 and 3,959.78

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Solution

The fourth proportional to 11,355.35, 17,033.09 and 3,959.78 is: 5,939.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.35 : 17,033.09 = 3,959.78 : x
  2. Step 2: Convert to fraction form
    11,355.35/17,033.09 = 3,959.78/x
  3. Step 3: Cross multiply
    11,355.35x = 17,033.09 × 3,959.78
  4. Step 4: Simplify right side
    11,355.35x = 67,447,184.16
  5. Step 5: Solve for x
    x = 67,447,184.16/11,355.35
  6. Step 6: Final answer
    x = 5,939.69

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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.