Home / 10,776.88-16,163.52-2,986.48

Finding the Fourth Proportional to 10,776.88, 16,163.52 and 2,986.48

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Solution

The fourth proportional to 10,776.88, 16,163.52 and 2,986.48 is: 4,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.88 : 16,163.52 = 2,986.48 : x
  2. Step 2: Convert to fraction form
    10,776.88/16,163.52 = 2,986.48/x
  3. Step 3: Cross multiply
    10,776.88x = 16,163.52 × 2,986.48
  4. Step 4: Simplify right side
    10,776.88x = 48,272,029.21
  5. Step 5: Solve for x
    x = 48,272,029.21/10,776.88
  6. Step 6: Final answer
    x = 4,479.22

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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.