Home / 16,379.88-24,570.45-5,286.75

Finding the Fourth Proportional to 16,379.88, 24,570.45 and 5,286.75

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Solution

The fourth proportional to 16,379.88, 24,570.45 and 5,286.75 is: 7,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,379.88 : 24,570.45 = 5,286.75 : x
  2. Step 2: Convert to fraction form
    16,379.88/24,570.45 = 5,286.75/x
  3. Step 3: Cross multiply
    16,379.88x = 24,570.45 × 5,286.75
  4. Step 4: Simplify right side
    16,379.88x = 129,897,826.54
  5. Step 5: Solve for x
    x = 129,897,826.54/16,379.88
  6. Step 6: Final answer
    x = 7,930.33

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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.