Home / 11,258.20-16,885.77-2,938.87

Finding the Fourth Proportional to 11,258.20, 16,885.77 and 2,938.87

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Solution

The fourth proportional to 11,258.20, 16,885.77 and 2,938.87 is: 4,407.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.20 : 16,885.77 = 2,938.87 : x
  2. Step 2: Convert to fraction form
    11,258.20/16,885.77 = 2,938.87/x
  3. Step 3: Cross multiply
    11,258.20x = 16,885.77 × 2,938.87
  4. Step 4: Simplify right side
    11,258.20x = 49,625,082.88
  5. Step 5: Solve for x
    x = 49,625,082.88/11,258.20
  6. Step 6: Final answer
    x = 4,407.91

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