Home / 12,726.33-19,089.51-3,961.23

Finding the Fourth Proportional to 12,726.33, 19,089.51 and 3,961.23

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Solution

The fourth proportional to 12,726.33, 19,089.51 and 3,961.23 is: 5,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.33 : 19,089.51 = 3,961.23 : x
  2. Step 2: Convert to fraction form
    12,726.33/19,089.51 = 3,961.23/x
  3. Step 3: Cross multiply
    12,726.33x = 19,089.51 × 3,961.23
  4. Step 4: Simplify right side
    12,726.33x = 75,617,939.70
  5. Step 5: Solve for x
    x = 75,617,939.70/12,726.33
  6. Step 6: Final answer
    x = 5,941.85

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Similar ratio
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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.