Home / 8,067.58-12,032.36-7,086.83

Finding the Fourth Proportional to 8,067.58, 12,032.36 and 7,086.83

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Solution

The fourth proportional to 8,067.58, 12,032.36 and 7,086.83 is: 10,569.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.58 : 12,032.36 = 7,086.83 : x
  2. Step 2: Convert to fraction form
    8,067.58/12,032.36 = 7,086.83/x
  3. Step 3: Cross multiply
    8,067.58x = 12,032.36 × 7,086.83
  4. Step 4: Simplify right side
    8,067.58x = 85,271,220.80
  5. Step 5: Solve for x
    x = 85,271,220.80/8,067.58
  6. Step 6: Final answer
    x = 10,569.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.