Home / 15,682.11-21,634.25-9,308.97

Finding the Fourth Proportional to 15,682.11, 21,634.25 and 9,308.97

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Solution

The fourth proportional to 15,682.11, 21,634.25 and 9,308.97 is: 12,842.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,682.11 : 21,634.25 = 9,308.97 : x
  2. Step 2: Convert to fraction form
    15,682.11/21,634.25 = 9,308.97/x
  3. Step 3: Cross multiply
    15,682.11x = 21,634.25 × 9,308.97
  4. Step 4: Simplify right side
    15,682.11x = 201,392,537.68
  5. Step 5: Solve for x
    x = 201,392,537.68/15,682.11
  6. Step 6: Final answer
    x = 12,842.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.