Home / 10,620.11-15,930.18-3,224.62

Finding the Fourth Proportional to 10,620.11, 15,930.18 and 3,224.62

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Solution

The fourth proportional to 10,620.11, 15,930.18 and 3,224.62 is: 4,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.11 : 15,930.18 = 3,224.62 : x
  2. Step 2: Convert to fraction form
    10,620.11/15,930.18 = 3,224.62/x
  3. Step 3: Cross multiply
    10,620.11x = 15,930.18 × 3,224.62
  4. Step 4: Simplify right side
    10,620.11x = 51,368,737.21
  5. Step 5: Solve for x
    x = 51,368,737.21/10,620.11
  6. Step 6: Final answer
    x = 4,836.93

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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.