Home / 38,262.36-57,385.34-11,963.69

Finding the Fourth Proportional to 38,262.36, 57,385.34 and 11,963.69

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Solution

The fourth proportional to 38,262.36, 57,385.34 and 11,963.69 is: 17,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,262.36 : 57,385.34 = 11,963.69 : x
  2. Step 2: Convert to fraction form
    38,262.36/57,385.34 = 11,963.69/x
  3. Step 3: Cross multiply
    38,262.36x = 57,385.34 × 11,963.69
  4. Step 4: Simplify right side
    38,262.36x = 686,540,418.30
  5. Step 5: Solve for x
    x = 686,540,418.30/38,262.36
  6. Step 6: Final answer
    x = 17,942.97

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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.