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Finding the Fourth Proportional to 13,748.70, 18,973.21 and 7,461.07

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Solution

The fourth proportional to 13,748.70, 18,973.21 and 7,461.07 is: 10,296.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.70 : 18,973.21 = 7,461.07 : x
  2. Step 2: Convert to fraction form
    13,748.70/18,973.21 = 7,461.07/x
  3. Step 3: Cross multiply
    13,748.70x = 18,973.21 × 7,461.07
  4. Step 4: Simplify right side
    13,748.70x = 141,560,466.59
  5. Step 5: Solve for x
    x = 141,560,466.59/13,748.70
  6. Step 6: Final answer
    x = 10,296.28

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