Home / 16,379.88-22,604.32-9,306.70

Finding the Fourth Proportional to 16,379.88, 22,604.32 and 9,306.70

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Solution

The fourth proportional to 16,379.88, 22,604.32 and 9,306.70 is: 12,843.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,379.88 : 22,604.32 = 9,306.70 : x
  2. Step 2: Convert to fraction form
    16,379.88/22,604.32 = 9,306.70/x
  3. Step 3: Cross multiply
    16,379.88x = 22,604.32 × 9,306.70
  4. Step 4: Simplify right side
    16,379.88x = 210,371,624.94
  5. Step 5: Solve for x
    x = 210,371,624.94/16,379.88
  6. Step 6: Final answer
    x = 12,843.29

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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.