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Finding the Fourth Proportional to 13,160.81, 19,740.98 and 4,837.59

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Solution

The fourth proportional to 13,160.81, 19,740.98 and 4,837.59 is: 7,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.81 : 19,740.98 = 4,837.59 : x
  2. Step 2: Convert to fraction form
    13,160.81/19,740.98 = 4,837.59/x
  3. Step 3: Cross multiply
    13,160.81x = 19,740.98 × 4,837.59
  4. Step 4: Simplify right side
    13,160.81x = 95,498,779.53
  5. Step 5: Solve for x
    x = 95,498,779.53/13,160.81
  6. Step 6: Final answer
    x = 7,256.30

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