Home / 10,647.20-15,974.20-3,253.08

Finding the Fourth Proportional to 10,647.20, 15,974.20 and 3,253.08

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Solution

The fourth proportional to 10,647.20, 15,974.20 and 3,253.08 is: 4,880.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.20 : 15,974.20 = 3,253.08 : x
  2. Step 2: Convert to fraction form
    10,647.20/15,974.20 = 3,253.08/x
  3. Step 3: Cross multiply
    10,647.20x = 15,974.20 × 3,253.08
  4. Step 4: Simplify right side
    10,647.20x = 51,965,350.54
  5. Step 5: Solve for x
    x = 51,965,350.54/10,647.20
  6. Step 6: Final answer
    x = 4,880.66

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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.