Home / 14,119.82-19,480.92-8,150.72

Finding the Fourth Proportional to 14,119.82, 19,480.92 and 8,150.72

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Solution

The fourth proportional to 14,119.82, 19,480.92 and 8,150.72 is: 11,245.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.82 : 19,480.92 = 8,150.72 : x
  2. Step 2: Convert to fraction form
    14,119.82/19,480.92 = 8,150.72/x
  3. Step 3: Cross multiply
    14,119.82x = 19,480.92 × 8,150.72
  4. Step 4: Simplify right side
    14,119.82x = 158,783,524.26
  5. Step 5: Solve for x
    x = 158,783,524.26/14,119.82
  6. Step 6: Final answer
    x = 11,245.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.