Home / 14,227.84-21,342.90-3,839.44

Finding the Fourth Proportional to 14,227.84, 21,342.90 and 3,839.44

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Solution

The fourth proportional to 14,227.84, 21,342.90 and 3,839.44 is: 5,759.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.84 : 21,342.90 = 3,839.44 : x
  2. Step 2: Convert to fraction form
    14,227.84/21,342.90 = 3,839.44/x
  3. Step 3: Cross multiply
    14,227.84x = 21,342.90 × 3,839.44
  4. Step 4: Simplify right side
    14,227.84x = 81,944,783.98
  5. Step 5: Solve for x
    x = 81,944,783.98/14,227.84
  6. Step 6: Final answer
    x = 5,759.47

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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.