Home / 16,768.26-25,119.39-11,142.21

Finding the Fourth Proportional to 16,768.26, 25,119.39 and 11,142.21

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Solution

The fourth proportional to 16,768.26, 25,119.39 and 11,142.21 is: 16,691.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,768.26 : 25,119.39 = 11,142.21 : x
  2. Step 2: Convert to fraction form
    16,768.26/25,119.39 = 11,142.21/x
  3. Step 3: Cross multiply
    16,768.26x = 25,119.39 × 11,142.21
  4. Step 4: Simplify right side
    16,768.26x = 279,885,518.45
  5. Step 5: Solve for x
    x = 279,885,518.45/16,768.26
  6. Step 6: Final answer
    x = 16,691.39

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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.