Home / 9,965.43-13,757.58-7,722.27

Finding the Fourth Proportional to 9,965.43, 13,757.58 and 7,722.27

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Solution

The fourth proportional to 9,965.43, 13,757.58 and 7,722.27 is: 10,660.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965.43 : 13,757.58 = 7,722.27 : x
  2. Step 2: Convert to fraction form
    9,965.43/13,757.58 = 7,722.27/x
  3. Step 3: Cross multiply
    9,965.43x = 13,757.58 × 7,722.27
  4. Step 4: Simplify right side
    9,965.43x = 106,239,747.31
  5. Step 5: Solve for x
    x = 106,239,747.31/9,965.43
  6. Step 6: Final answer
    x = 10,660.83

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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.