Home / 9,383.71-12,949.41-5,134.85

Finding the Fourth Proportional to 9,383.71, 12,949.41 and 5,134.85

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Solution

The fourth proportional to 9,383.71, 12,949.41 and 5,134.85 is: 7,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,383.71 : 12,949.41 = 5,134.85 : x
  2. Step 2: Convert to fraction form
    9,383.71/12,949.41 = 5,134.85/x
  3. Step 3: Cross multiply
    9,383.71x = 12,949.41 × 5,134.85
  4. Step 4: Simplify right side
    9,383.71x = 66,493,277.94
  5. Step 5: Solve for x
    x = 66,493,277.94/9,383.71
  6. Step 6: Final answer
    x = 7,086.04

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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.