Home / 18,826.92-25,981.40-11,757.44

Finding the Fourth Proportional to 18,826.92, 25,981.40 and 11,757.44

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Solution

The fourth proportional to 18,826.92, 25,981.40 and 11,757.44 is: 16,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.92 : 25,981.40 = 11,757.44 : x
  2. Step 2: Convert to fraction form
    18,826.92/25,981.40 = 11,757.44/x
  3. Step 3: Cross multiply
    18,826.92x = 25,981.40 × 11,757.44
  4. Step 4: Simplify right side
    18,826.92x = 305,474,751.62
  5. Step 5: Solve for x
    x = 305,474,751.62/18,826.92
  6. Step 6: Final answer
    x = 16,225.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.