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Finding the Fourth Proportional to 18,973.48, 26,184.90 and 11,018.20

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Solution

The fourth proportional to 18,973.48, 26,184.90 and 11,018.20 is: 15,205.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,973.48 : 26,184.90 = 11,018.20 : x
  2. Step 2: Convert to fraction form
    18,973.48/26,184.90 = 11,018.20/x
  3. Step 3: Cross multiply
    18,973.48x = 26,184.90 × 11,018.20
  4. Step 4: Simplify right side
    18,973.48x = 288,510,465.18
  5. Step 5: Solve for x
    x = 288,510,465.18/18,973.48
  6. Step 6: Final answer
    x = 15,205.99

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