Home / 11,624.99-17,451.66-7,679.61

Finding the Fourth Proportional to 11,624.99, 17,451.66 and 7,679.61

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Solution

The fourth proportional to 11,624.99, 17,451.66 and 7,679.61 is: 11,528.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,624.99 : 17,451.66 = 7,679.61 : x
  2. Step 2: Convert to fraction form
    11,624.99/17,451.66 = 7,679.61/x
  3. Step 3: Cross multiply
    11,624.99x = 17,451.66 × 7,679.61
  4. Step 4: Simplify right side
    11,624.99x = 134,021,942.65
  5. Step 5: Solve for x
    x = 134,021,942.65/11,624.99
  6. Step 6: Final answer
    x = 11,528.78

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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.