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Finding the Fourth Proportional to 20,767.03, 31,149.74 and 6,916.03

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Solution

The fourth proportional to 20,767.03, 31,149.74 and 6,916.03 is: 10,373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,767.03 : 31,149.74 = 6,916.03 : x
  2. Step 2: Convert to fraction form
    20,767.03/31,149.74 = 6,916.03/x
  3. Step 3: Cross multiply
    20,767.03x = 31,149.74 × 6,916.03
  4. Step 4: Simplify right side
    20,767.03x = 215,432,501.75
  5. Step 5: Solve for x
    x = 215,432,501.75/20,767.03
  6. Step 6: Final answer
    x = 10,373.78

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