Home / 9,900.20-14,845.56-3,324.56

Finding the Fourth Proportional to 9,900.20, 14,845.56 and 3,324.56

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Solution

The fourth proportional to 9,900.20, 14,845.56 and 3,324.56 is: 4,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,900.20 : 14,845.56 = 3,324.56 : x
  2. Step 2: Convert to fraction form
    9,900.20/14,845.56 = 3,324.56/x
  3. Step 3: Cross multiply
    9,900.20x = 14,845.56 × 3,324.56
  4. Step 4: Simplify right side
    9,900.20x = 49,354,954.95
  5. Step 5: Solve for x
    x = 49,354,954.95/9,900.20
  6. Step 6: Final answer
    x = 4,985.25

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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.