Home / 16,769.26-25,120.89-11,143.21

Finding the Fourth Proportional to 16,769.26, 25,120.89 and 11,143.21

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Solution

The fourth proportional to 16,769.26, 25,120.89 and 11,143.21 is: 16,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.26 : 25,120.89 = 11,143.21 : x
  2. Step 2: Convert to fraction form
    16,769.26/25,120.89 = 11,143.21/x
  3. Step 3: Cross multiply
    16,769.26x = 25,120.89 × 11,143.21
  4. Step 4: Simplify right side
    16,769.26x = 279,927,352.66
  5. Step 5: Solve for x
    x = 279,927,352.66/16,769.26
  6. Step 6: Final answer
    x = 16,692.89

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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.