Home / 11,922.26-17,879.18-4,900.23

Finding the Fourth Proportional to 11,922.26, 17,879.18 and 4,900.23

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Solution

The fourth proportional to 11,922.26, 17,879.18 and 4,900.23 is: 7,348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.26 : 17,879.18 = 4,900.23 : x
  2. Step 2: Convert to fraction form
    11,922.26/17,879.18 = 4,900.23/x
  3. Step 3: Cross multiply
    11,922.26x = 17,879.18 × 4,900.23
  4. Step 4: Simplify right side
    11,922.26x = 87,612,069.71
  5. Step 5: Solve for x
    x = 87,612,069.71/11,922.26
  6. Step 6: Final answer
    x = 7,348.62

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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.