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Finding the Fourth Proportional to 16,742.70, 25,077.60 and 10,157.40

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Solution

The fourth proportional to 16,742.70, 25,077.60 and 10,157.40 is: 15,213.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742.70 : 25,077.60 = 10,157.40 : x
  2. Step 2: Convert to fraction form
    16,742.70/25,077.60 = 10,157.40/x
  3. Step 3: Cross multiply
    16,742.70x = 25,077.60 × 10,157.40
  4. Step 4: Simplify right side
    16,742.70x = 254,723,214.24
  5. Step 5: Solve for x
    x = 254,723,214.24/16,742.70
  6. Step 6: Final answer
    x = 15,213.99

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