Home / 10,412.73-15,619.10-2,621.61

Finding the Fourth Proportional to 10,412.73, 15,619.10 and 2,621.61

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Solution

The fourth proportional to 10,412.73, 15,619.10 and 2,621.61 is: 3,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.73 : 15,619.10 = 2,621.61 : x
  2. Step 2: Convert to fraction form
    10,412.73/15,619.10 = 2,621.61/x
  3. Step 3: Cross multiply
    10,412.73x = 15,619.10 × 2,621.61
  4. Step 4: Simplify right side
    10,412.73x = 40,947,175.64
  5. Step 5: Solve for x
    x = 40,947,175.64/10,412.73
  6. Step 6: Final answer
    x = 3,932.42

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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.