Home / 11,405.97-17,106.39-3,086.73

Finding the Fourth Proportional to 11,405.97, 17,106.39 and 3,086.73

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Solution

The fourth proportional to 11,405.97, 17,106.39 and 3,086.73 is: 4,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.97 : 17,106.39 = 3,086.73 : x
  2. Step 2: Convert to fraction form
    11,405.97/17,106.39 = 3,086.73/x
  3. Step 3: Cross multiply
    11,405.97x = 17,106.39 × 3,086.73
  4. Step 4: Simplify right side
    11,405.97x = 52,802,807.20
  5. Step 5: Solve for x
    x = 52,802,807.20/11,405.97
  6. Step 6: Final answer
    x = 4,629.40

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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.