Home / 10,208.74-15,305.90-3,963.56

Finding the Fourth Proportional to 10,208.74, 15,305.90 and 3,963.56

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Solution

The fourth proportional to 10,208.74, 15,305.90 and 3,963.56 is: 5,942.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.74 : 15,305.90 = 3,963.56 : x
  2. Step 2: Convert to fraction form
    10,208.74/15,305.90 = 3,963.56/x
  3. Step 3: Cross multiply
    10,208.74x = 15,305.90 × 3,963.56
  4. Step 4: Simplify right side
    10,208.74x = 60,665,853.00
  5. Step 5: Solve for x
    x = 60,665,853.00/10,208.74
  6. Step 6: Final answer
    x = 5,942.54

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1.5x scale

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.