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Finding the Fourth Proportional to 18,300.08, 25,254.21 and 9,916.58

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Solution

The fourth proportional to 18,300.08, 25,254.21 and 9,916.58 is: 13,684.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300.08 : 25,254.21 = 9,916.58 : x
  2. Step 2: Convert to fraction form
    18,300.08/25,254.21 = 9,916.58/x
  3. Step 3: Cross multiply
    18,300.08x = 25,254.21 × 9,916.58
  4. Step 4: Simplify right side
    18,300.08x = 250,435,393.80
  5. Step 5: Solve for x
    x = 250,435,393.80/18,300.08
  6. Step 6: Final answer
    x = 13,684.93

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