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Finding the Fourth Proportional to 13,750.02, 18,975.06 and 7,462.40

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Solution

The fourth proportional to 13,750.02, 18,975.06 and 7,462.40 is: 10,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.02 : 18,975.06 = 7,462.40 : x
  2. Step 2: Convert to fraction form
    13,750.02/18,975.06 = 7,462.40/x
  3. Step 3: Cross multiply
    13,750.02x = 18,975.06 × 7,462.40
  4. Step 4: Simplify right side
    13,750.02x = 141,599,392.87
  5. Step 5: Solve for x
    x = 141,599,392.87/13,750.02
  6. Step 6: Final answer
    x = 10,298.12

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