Home / 9,747.32-13,452.80-6,399.83

Finding the Fourth Proportional to 9,747.32, 13,452.80 and 6,399.83

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Solution

The fourth proportional to 9,747.32, 13,452.80 and 6,399.83 is: 8,832.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747.32 : 13,452.80 = 6,399.83 : x
  2. Step 2: Convert to fraction form
    9,747.32/13,452.80 = 6,399.83/x
  3. Step 3: Cross multiply
    9,747.32x = 13,452.80 × 6,399.83
  4. Step 4: Simplify right side
    9,747.32x = 86,095,634.66
  5. Step 5: Solve for x
    x = 86,095,634.66/9,747.32
  6. Step 6: Final answer
    x = 8,832.75

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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.