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Finding the Fourth Proportional to 20,583.48, 30,872.34 and 6,543.48

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Solution

The fourth proportional to 20,583.48, 30,872.34 and 6,543.48 is: 9,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.48 : 30,872.34 = 6,543.48 : x
  2. Step 2: Convert to fraction form
    20,583.48/30,872.34 = 6,543.48/x
  3. Step 3: Cross multiply
    20,583.48x = 30,872.34 × 6,543.48
  4. Step 4: Simplify right side
    20,583.48x = 202,012,539.34
  5. Step 5: Solve for x
    x = 202,012,539.34/20,583.48
  6. Step 6: Final answer
    x = 9,814.30

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