Home / 13,025.52-19,531.80-4,705.20

Finding the Fourth Proportional to 13,025.52, 19,531.80 and 4,705.20

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Solution

The fourth proportional to 13,025.52, 19,531.80 and 4,705.20 is: 7,055.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.52 : 19,531.80 = 4,705.20 : x
  2. Step 2: Convert to fraction form
    13,025.52/19,531.80 = 4,705.20/x
  3. Step 3: Cross multiply
    13,025.52x = 19,531.80 × 4,705.20
  4. Step 4: Simplify right side
    13,025.52x = 91,901,025.36
  5. Step 5: Solve for x
    x = 91,901,025.36/13,025.52
  6. Step 6: Final answer
    x = 7,055.46

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