Home / 13,932.73-20,897.97-3,937.07

Finding the Fourth Proportional to 13,932.73, 20,897.97 and 3,937.07

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Solution

The fourth proportional to 13,932.73, 20,897.97 and 3,937.07 is: 5,905.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.73 : 20,897.97 = 3,937.07 : x
  2. Step 2: Convert to fraction form
    13,932.73/20,897.97 = 3,937.07/x
  3. Step 3: Cross multiply
    13,932.73x = 20,897.97 × 3,937.07
  4. Step 4: Simplify right side
    13,932.73x = 82,276,808.23
  5. Step 5: Solve for x
    x = 82,276,808.23/13,932.73
  6. Step 6: Final answer
    x = 5,905.29

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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.