Home / 11,383.94-17,078.31-3,886.92

Finding the Fourth Proportional to 11,383.94, 17,078.31 and 3,886.92

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Solution

The fourth proportional to 11,383.94, 17,078.31 and 3,886.92 is: 5,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.94 : 17,078.31 = 3,886.92 : x
  2. Step 2: Convert to fraction form
    11,383.94/17,078.31 = 3,886.92/x
  3. Step 3: Cross multiply
    11,383.94x = 17,078.31 × 3,886.92
  4. Step 4: Simplify right side
    11,383.94x = 66,382,024.71
  5. Step 5: Solve for x
    x = 66,382,024.71/11,383.94
  6. Step 6: Final answer
    x = 5,831.20

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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.