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Finding the Fourth Proportional to 12,495.99, 18,750.09 and 5,475.04

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Solution

The fourth proportional to 12,495.99, 18,750.09 and 5,475.04 is: 8,215.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.99 : 18,750.09 = 5,475.04 : x
  2. Step 2: Convert to fraction form
    12,495.99/18,750.09 = 5,475.04/x
  3. Step 3: Cross multiply
    12,495.99x = 18,750.09 × 5,475.04
  4. Step 4: Simplify right side
    12,495.99x = 102,657,465.38
  5. Step 5: Solve for x
    x = 102,657,465.38/12,495.99
  6. Step 6: Final answer
    x = 8,215.24

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