Home / 14,227.89-21,341.84-3,839.64

Finding the Fourth Proportional to 14,227.89, 21,341.84 and 3,839.64

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Solution

The fourth proportional to 14,227.89, 21,341.84 and 3,839.64 is: 5,759.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.89 : 21,341.84 = 3,839.64 : x
  2. Step 2: Convert to fraction form
    14,227.89/21,341.84 = 3,839.64/x
  3. Step 3: Cross multiply
    14,227.89x = 21,341.84 × 3,839.64
  4. Step 4: Simplify right side
    14,227.89x = 81,944,982.54
  5. Step 5: Solve for x
    x = 81,944,982.54/14,227.89
  6. Step 6: Final answer
    x = 5,759.46

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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.