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Finding the Fourth Proportional to 18,968.76, 26,176.90 and 10,470.89

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Solution

The fourth proportional to 18,968.76, 26,176.90 and 10,470.89 is: 14,449.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968.76 : 26,176.90 = 10,470.89 : x
  2. Step 2: Convert to fraction form
    18,968.76/26,176.90 = 10,470.89/x
  3. Step 3: Cross multiply
    18,968.76x = 26,176.90 × 10,470.89
  4. Step 4: Simplify right side
    18,968.76x = 274,095,440.44
  5. Step 5: Solve for x
    x = 274,095,440.44/18,968.76
  6. Step 6: Final answer
    x = 14,449.83

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