Home / 11,067.72-16,601.40-5,228.52

Finding the Fourth Proportional to 11,067.72, 16,601.40 and 5,228.52

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Solution

The fourth proportional to 11,067.72, 16,601.40 and 5,228.52 is: 7,842.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.72 : 16,601.40 = 5,228.52 : x
  2. Step 2: Convert to fraction form
    11,067.72/16,601.40 = 5,228.52/x
  3. Step 3: Cross multiply
    11,067.72x = 16,601.40 × 5,228.52
  4. Step 4: Simplify right side
    11,067.72x = 86,800,751.93
  5. Step 5: Solve for x
    x = 86,800,751.93/11,067.72
  6. Step 6: Final answer
    x = 7,842.69

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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.