Home / 22,078.36-33,107.82-11,687.68

Finding the Fourth Proportional to 22,078.36, 33,107.82 and 11,687.68

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Solution

The fourth proportional to 22,078.36, 33,107.82 and 11,687.68 is: 17,526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,078.36 : 33,107.82 = 11,687.68 : x
  2. Step 2: Convert to fraction form
    22,078.36/33,107.82 = 11,687.68/x
  3. Step 3: Cross multiply
    22,078.36x = 33,107.82 × 11,687.68
  4. Step 4: Simplify right side
    22,078.36x = 386,953,605.66
  5. Step 5: Solve for x
    x = 386,953,605.66/22,078.36
  6. Step 6: Final answer
    x = 17,526.37

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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.