Home / 19,104.88-28,616.92-12,081.27

Finding the Fourth Proportional to 19,104.88, 28,616.92 and 12,081.27

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Solution

The fourth proportional to 19,104.88, 28,616.92 and 12,081.27 is: 18,096.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104.88 : 28,616.92 = 12,081.27 : x
  2. Step 2: Convert to fraction form
    19,104.88/28,616.92 = 12,081.27/x
  3. Step 3: Cross multiply
    19,104.88x = 28,616.92 × 12,081.27
  4. Step 4: Simplify right side
    19,104.88x = 345,728,737.09
  5. Step 5: Solve for x
    x = 345,728,737.09/19,104.88
  6. Step 6: Final answer
    x = 18,096.36

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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.