Home / 14,083.38-21,145.84-7,855.56

Finding the Fourth Proportional to 14,083.38, 21,145.84 and 7,855.56

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Solution

The fourth proportional to 14,083.38, 21,145.84 and 7,855.56 is: 11,794.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.38 : 21,145.84 = 7,855.56 : x
  2. Step 2: Convert to fraction form
    14,083.38/21,145.84 = 7,855.56/x
  3. Step 3: Cross multiply
    14,083.38x = 21,145.84 × 7,855.56
  4. Step 4: Simplify right side
    14,083.38x = 166,112,414.87
  5. Step 5: Solve for x
    x = 166,112,414.87/14,083.38
  6. Step 6: Final answer
    x = 11,794.93

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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.