Home / 21,839.91-32,759.69-6,257.55

Finding the Fourth Proportional to 21,839.91, 32,759.69 and 6,257.55

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Solution

The fourth proportional to 21,839.91, 32,759.69 and 6,257.55 is: 9,386.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,839.91 : 32,759.69 = 6,257.55 : x
  2. Step 2: Convert to fraction form
    21,839.91/32,759.69 = 6,257.55/x
  3. Step 3: Cross multiply
    21,839.91x = 32,759.69 × 6,257.55
  4. Step 4: Simplify right side
    21,839.91x = 204,995,366.87
  5. Step 5: Solve for x
    x = 204,995,366.87/21,839.91
  6. Step 6: Final answer
    x = 9,386.27

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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.