Home / 14,231.88-21,347.78-3,843.63

Finding the Fourth Proportional to 14,231.88, 21,347.78 and 3,843.63

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Solution

The fourth proportional to 14,231.88, 21,347.78 and 3,843.63 is: 5,765.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.88 : 21,347.78 = 3,843.63 : x
  2. Step 2: Convert to fraction form
    14,231.88/21,347.78 = 3,843.63/x
  3. Step 3: Cross multiply
    14,231.88x = 21,347.78 × 3,843.63
  4. Step 4: Simplify right side
    14,231.88x = 82,052,948.42
  5. Step 5: Solve for x
    x = 82,052,948.42/14,231.88
  6. Step 6: Final answer
    x = 5,765.43

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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.