Home / 11,414.82-17,065.99-9,679.20

Finding the Fourth Proportional to 11,414.82, 17,065.99 and 9,679.20

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Solution

The fourth proportional to 11,414.82, 17,065.99 and 9,679.20 is: 14,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,414.82 : 17,065.99 = 9,679.20 : x
  2. Step 2: Convert to fraction form
    11,414.82/17,065.99 = 9,679.20/x
  3. Step 3: Cross multiply
    11,414.82x = 17,065.99 × 9,679.20
  4. Step 4: Simplify right side
    11,414.82x = 165,185,078.51
  5. Step 5: Solve for x
    x = 165,185,078.51/11,414.82
  6. Step 6: Final answer
    x = 14,471.10

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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.