Home / 11,990.17-16,542.09-6,951.61

Finding the Fourth Proportional to 11,990.17, 16,542.09 and 6,951.61

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Solution

The fourth proportional to 11,990.17, 16,542.09 and 6,951.61 is: 9,590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.17 : 16,542.09 = 6,951.61 : x
  2. Step 2: Convert to fraction form
    11,990.17/16,542.09 = 6,951.61/x
  3. Step 3: Cross multiply
    11,990.17x = 16,542.09 × 6,951.61
  4. Step 4: Simplify right side
    11,990.17x = 114,994,178.94
  5. Step 5: Solve for x
    x = 114,994,178.94/11,990.17
  6. Step 6: Final answer
    x = 9,590.71

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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.