Home / 10,886.67-16,330.75-4,312.85

Finding the Fourth Proportional to 10,886.67, 16,330.75 and 4,312.85

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Solution

The fourth proportional to 10,886.67, 16,330.75 and 4,312.85 is: 6,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.67 : 16,330.75 = 4,312.85 : x
  2. Step 2: Convert to fraction form
    10,886.67/16,330.75 = 4,312.85/x
  3. Step 3: Cross multiply
    10,886.67x = 16,330.75 × 4,312.85
  4. Step 4: Simplify right side
    10,886.67x = 70,431,982.70
  5. Step 5: Solve for x
    x = 70,431,982.70/10,886.67
  6. Step 6: Final answer
    x = 6,469.56

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