Home / 20,107.38-27,743.73-11,607.66

Finding the Fourth Proportional to 20,107.38, 27,743.73 and 11,607.66

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Solution

The fourth proportional to 20,107.38, 27,743.73 and 11,607.66 is: 16,015.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,107.38 : 27,743.73 = 11,607.66 : x
  2. Step 2: Convert to fraction form
    20,107.38/27,743.73 = 11,607.66/x
  3. Step 3: Cross multiply
    20,107.38x = 27,743.73 × 11,607.66
  4. Step 4: Simplify right side
    20,107.38x = 322,039,741.44
  5. Step 5: Solve for x
    x = 322,039,741.44/20,107.38
  6. Step 6: Final answer
    x = 16,015.99

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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.