Home / 11,791.46-16,271.82-6,486.23

Finding the Fourth Proportional to 11,791.46, 16,271.82 and 6,486.23

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Solution

The fourth proportional to 11,791.46, 16,271.82 and 6,486.23 is: 8,950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.46 : 16,271.82 = 6,486.23 : x
  2. Step 2: Convert to fraction form
    11,791.46/16,271.82 = 6,486.23/x
  3. Step 3: Cross multiply
    11,791.46x = 16,271.82 × 6,486.23
  4. Step 4: Simplify right side
    11,791.46x = 105,542,807.72
  5. Step 5: Solve for x
    x = 105,542,807.72/11,791.46
  6. Step 6: Final answer
    x = 8,950.78

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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.