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Finding the Fourth Proportional to 13,384.86, 18,461.94 and 7,795.86

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Solution

The fourth proportional to 13,384.86, 18,461.94 and 7,795.86 is: 10,752.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384.86 : 18,461.94 = 7,795.86 : x
  2. Step 2: Convert to fraction form
    13,384.86/18,461.94 = 7,795.86/x
  3. Step 3: Cross multiply
    13,384.86x = 18,461.94 × 7,795.86
  4. Step 4: Simplify right side
    13,384.86x = 143,926,699.57
  5. Step 5: Solve for x
    x = 143,926,699.57/13,384.86
  6. Step 6: Final answer
    x = 10,752.95

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