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Finding the Fourth Proportional to 13,750.13, 18,975.17 and 7,462.51

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Solution

The fourth proportional to 13,750.13, 18,975.17 and 7,462.51 is: 10,298.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.13 : 18,975.17 = 7,462.51 : x
  2. Step 2: Convert to fraction form
    13,750.13/18,975.17 = 7,462.51/x
  3. Step 3: Cross multiply
    13,750.13x = 18,975.17 × 7,462.51
  4. Step 4: Simplify right side
    13,750.13x = 141,602,395.88
  5. Step 5: Solve for x
    x = 141,602,395.88/13,750.13
  6. Step 6: Final answer
    x = 10,298.26

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