Home / 14,640.26-20,198.31-8,348.99

Finding the Fourth Proportional to 14,640.26, 20,198.31 and 8,348.99

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Solution

The fourth proportional to 14,640.26, 20,198.31 and 8,348.99 is: 11,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.26 : 20,198.31 = 8,348.99 : x
  2. Step 2: Convert to fraction form
    14,640.26/20,198.31 = 8,348.99/x
  3. Step 3: Cross multiply
    14,640.26x = 20,198.31 × 8,348.99
  4. Step 4: Simplify right side
    14,640.26x = 168,635,488.21
  5. Step 5: Solve for x
    x = 168,635,488.21/14,640.26
  6. Step 6: Final answer
    x = 11,518.61

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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.