Home / 16,811.96-25,183.86-7,793.40

Finding the Fourth Proportional to 16,811.96, 25,183.86 and 7,793.40

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Solution

The fourth proportional to 16,811.96, 25,183.86 and 7,793.40 is: 11,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.96 : 25,183.86 = 7,793.40 : x
  2. Step 2: Convert to fraction form
    16,811.96/25,183.86 = 7,793.40/x
  3. Step 3: Cross multiply
    16,811.96x = 25,183.86 × 7,793.40
  4. Step 4: Simplify right side
    16,811.96x = 196,267,894.52
  5. Step 5: Solve for x
    x = 196,267,894.52/16,811.96
  6. Step 6: Final answer
    x = 11,674.30

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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.