Home / 9,405.48-14,105.12-3,163.80

Finding the Fourth Proportional to 9,405.48, 14,105.12 and 3,163.80

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Solution

The fourth proportional to 9,405.48, 14,105.12 and 3,163.80 is: 4,744.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.48 : 14,105.12 = 3,163.80 : x
  2. Step 2: Convert to fraction form
    9,405.48/14,105.12 = 3,163.80/x
  3. Step 3: Cross multiply
    9,405.48x = 14,105.12 × 3,163.80
  4. Step 4: Simplify right side
    9,405.48x = 44,625,778.66
  5. Step 5: Solve for x
    x = 44,625,778.66/9,405.48
  6. Step 6: Final answer
    x = 4,744.66

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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.