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Finding the Fourth Proportional to 12,360.75, 18,543.45 and 4,965.80

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Solution

The fourth proportional to 12,360.75, 18,543.45 and 4,965.80 is: 7,449.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.75 : 18,543.45 = 4,965.80 : x
  2. Step 2: Convert to fraction form
    12,360.75/18,543.45 = 4,965.80/x
  3. Step 3: Cross multiply
    12,360.75x = 18,543.45 × 4,965.80
  4. Step 4: Simplify right side
    12,360.75x = 92,082,971.29
  5. Step 5: Solve for x
    x = 92,082,971.29/12,360.75
  6. Step 6: Final answer
    x = 7,449.63

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