Home / 19,620.98-29,414.88-8,519.27

Finding the Fourth Proportional to 19,620.98, 29,414.88 and 8,519.27

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Solution

The fourth proportional to 19,620.98, 29,414.88 and 8,519.27 is: 12,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.98 : 29,414.88 = 8,519.27 : x
  2. Step 2: Convert to fraction form
    19,620.98/29,414.88 = 8,519.27/x
  3. Step 3: Cross multiply
    19,620.98x = 29,414.88 × 8,519.27
  4. Step 4: Simplify right side
    19,620.98x = 250,593,304.74
  5. Step 5: Solve for x
    x = 250,593,304.74/19,620.98
  6. Step 6: Final answer
    x = 12,771.70

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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.