Home / 12,769.26-19,154.39-4,450.12

Finding the Fourth Proportional to 12,769.26, 19,154.39 and 4,450.12

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Solution

The fourth proportional to 12,769.26, 19,154.39 and 4,450.12 is: 6,675.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769.26 : 19,154.39 = 4,450.12 : x
  2. Step 2: Convert to fraction form
    12,769.26/19,154.39 = 4,450.12/x
  3. Step 3: Cross multiply
    12,769.26x = 19,154.39 × 4,450.12
  4. Step 4: Simplify right side
    12,769.26x = 85,239,334.03
  5. Step 5: Solve for x
    x = 85,239,334.03/12,769.26
  6. Step 6: Final answer
    x = 6,675.35

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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.