Home / 14,456.97-19,950.35-8,169.21

Finding the Fourth Proportional to 14,456.97, 19,950.35 and 8,169.21

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Solution

The fourth proportional to 14,456.97, 19,950.35 and 8,169.21 is: 11,273.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.97 : 19,950.35 = 8,169.21 : x
  2. Step 2: Convert to fraction form
    14,456.97/19,950.35 = 8,169.21/x
  3. Step 3: Cross multiply
    14,456.97x = 19,950.35 × 8,169.21
  4. Step 4: Simplify right side
    14,456.97x = 162,978,519.39
  5. Step 5: Solve for x
    x = 162,978,519.39/14,456.97
  6. Step 6: Final answer
    x = 11,273.36

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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.