Home / 9,539.88-13,163.40-6,007.80

Finding the Fourth Proportional to 9,539.88, 13,163.40 and 6,007.80

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Solution

The fourth proportional to 9,539.88, 13,163.40 and 6,007.80 is: 8,289.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.88 : 13,163.40 = 6,007.80 : x
  2. Step 2: Convert to fraction form
    9,539.88/13,163.40 = 6,007.80/x
  3. Step 3: Cross multiply
    9,539.88x = 13,163.40 × 6,007.80
  4. Step 4: Simplify right side
    9,539.88x = 79,083,074.52
  5. Step 5: Solve for x
    x = 79,083,074.52/9,539.88
  6. Step 6: Final answer
    x = 8,289.73

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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.