Home / 19,067.25-28,561.82-8,921.04

Finding the Fourth Proportional to 19,067.25, 28,561.82 and 8,921.04

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Solution

The fourth proportional to 19,067.25, 28,561.82 and 8,921.04 is: 13,363.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067.25 : 28,561.82 = 8,921.04 : x
  2. Step 2: Convert to fraction form
    19,067.25/28,561.82 = 8,921.04/x
  3. Step 3: Cross multiply
    19,067.25x = 28,561.82 × 8,921.04
  4. Step 4: Simplify right side
    19,067.25x = 254,800,986.98
  5. Step 5: Solve for x
    x = 254,800,986.98/19,067.25
  6. Step 6: Final answer
    x = 13,363.28

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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.