Home / 9,739.78-13,439.82-5,963.90

Finding the Fourth Proportional to 9,739.78, 13,439.82 and 5,963.90

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Solution

The fourth proportional to 9,739.78, 13,439.82 and 5,963.90 is: 8,229.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739.78 : 13,439.82 = 5,963.90 : x
  2. Step 2: Convert to fraction form
    9,739.78/13,439.82 = 5,963.90/x
  3. Step 3: Cross multiply
    9,739.78x = 13,439.82 × 5,963.90
  4. Step 4: Simplify right side
    9,739.78x = 80,153,697.66
  5. Step 5: Solve for x
    x = 80,153,697.66/9,739.78
  6. Step 6: Final answer
    x = 8,229.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.