Home / 10,391.41-15,589.59-3,371.45

Finding the Fourth Proportional to 10,391.41, 15,589.59 and 3,371.45

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Solution

The fourth proportional to 10,391.41, 15,589.59 and 3,371.45 is: 5,057.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.41 : 15,589.59 = 3,371.45 : x
  2. Step 2: Convert to fraction form
    10,391.41/15,589.59 = 3,371.45/x
  3. Step 3: Cross multiply
    10,391.41x = 15,589.59 × 3,371.45
  4. Step 4: Simplify right side
    10,391.41x = 52,559,485.94
  5. Step 5: Solve for x
    x = 52,559,485.94/10,391.41
  6. Step 6: Final answer
    x = 5,057.97

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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.