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Finding the Fourth Proportional to 17,870.85, 24,662.21 and 9,913.41

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Solution

The fourth proportional to 17,870.85, 24,662.21 and 9,913.41 is: 13,680.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870.85 : 24,662.21 = 9,913.41 : x
  2. Step 2: Convert to fraction form
    17,870.85/24,662.21 = 9,913.41/x
  3. Step 3: Cross multiply
    17,870.85x = 24,662.21 × 9,913.41
  4. Step 4: Simplify right side
    17,870.85x = 244,486,549.67
  5. Step 5: Solve for x
    x = 244,486,549.67/17,870.85
  6. Step 6: Final answer
    x = 13,680.75

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