Home / 9,321.48-13,965.82-8,766.53

Finding the Fourth Proportional to 9,321.48, 13,965.82 and 8,766.53

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Solution

The fourth proportional to 9,321.48, 13,965.82 and 8,766.53 is: 13,134.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.48 : 13,965.82 = 8,766.53 : x
  2. Step 2: Convert to fraction form
    9,321.48/13,965.82 = 8,766.53/x
  3. Step 3: Cross multiply
    9,321.48x = 13,965.82 × 8,766.53
  4. Step 4: Simplify right side
    9,321.48x = 122,431,740.63
  5. Step 5: Solve for x
    x = 122,431,740.63/9,321.48
  6. Step 6: Final answer
    x = 13,134.37

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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.