Home / 19,226.45-28,839.68-8,130.26

Finding the Fourth Proportional to 19,226.45, 28,839.68 and 8,130.26

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Solution

The fourth proportional to 19,226.45, 28,839.68 and 8,130.26 is: 12,195.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.45 : 28,839.68 = 8,130.26 : x
  2. Step 2: Convert to fraction form
    19,226.45/28,839.68 = 8,130.26/x
  3. Step 3: Cross multiply
    19,226.45x = 28,839.68 × 8,130.26
  4. Step 4: Simplify right side
    19,226.45x = 234,474,096.72
  5. Step 5: Solve for x
    x = 234,474,096.72/19,226.45
  6. Step 6: Final answer
    x = 12,195.39

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Similar ratio
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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.