Home / 10,411.84-15,617.73-2,620.65

Finding the Fourth Proportional to 10,411.84, 15,617.73 and 2,620.65

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Solution

The fourth proportional to 10,411.84, 15,617.73 and 2,620.65 is: 3,930.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411.84 : 15,617.73 = 2,620.65 : x
  2. Step 2: Convert to fraction form
    10,411.84/15,617.73 = 2,620.65/x
  3. Step 3: Cross multiply
    10,411.84x = 15,617.73 × 2,620.65
  4. Step 4: Simplify right side
    10,411.84x = 40,928,604.12
  5. Step 5: Solve for x
    x = 40,928,604.12/10,411.84
  6. Step 6: Final answer
    x = 3,930.97

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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.