Home / 16,811.80-25,220.77-6,945.73

Finding the Fourth Proportional to 16,811.80, 25,220.77 and 6,945.73

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Solution

The fourth proportional to 16,811.80, 25,220.77 and 6,945.73 is: 10,419.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.80 : 25,220.77 = 6,945.73 : x
  2. Step 2: Convert to fraction form
    16,811.80/25,220.77 = 6,945.73/x
  3. Step 3: Cross multiply
    16,811.80x = 25,220.77 × 6,945.73
  4. Step 4: Simplify right side
    16,811.80x = 175,176,578.40
  5. Step 5: Solve for x
    x = 175,176,578.40/16,811.80
  6. Step 6: Final answer
    x = 10,419.86

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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.