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Finding the Fourth Proportional to 12,497.95, 18,737.56 and 7,566.40

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Solution

The fourth proportional to 12,497.95, 18,737.56 and 7,566.40 is: 11,343.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.95 : 18,737.56 = 7,566.40 : x
  2. Step 2: Convert to fraction form
    12,497.95/18,737.56 = 7,566.40/x
  3. Step 3: Cross multiply
    12,497.95x = 18,737.56 × 7,566.40
  4. Step 4: Simplify right side
    12,497.95x = 141,775,873.98
  5. Step 5: Solve for x
    x = 141,775,873.98/12,497.95
  6. Step 6: Final answer
    x = 11,343.93

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