Home / 14,067.78-21,101.07-3,537.87

Finding the Fourth Proportional to 14,067.78, 21,101.07 and 3,537.87

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Solution

The fourth proportional to 14,067.78, 21,101.07 and 3,537.87 is: 5,306.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.78 : 21,101.07 = 3,537.87 : x
  2. Step 2: Convert to fraction form
    14,067.78/21,101.07 = 3,537.87/x
  3. Step 3: Cross multiply
    14,067.78x = 21,101.07 × 3,537.87
  4. Step 4: Simplify right side
    14,067.78x = 74,652,842.52
  5. Step 5: Solve for x
    x = 74,652,842.52/14,067.78
  6. Step 6: Final answer
    x = 5,306.65

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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.