Home / 13,270.02-19,905.30-3,409.35

Finding the Fourth Proportional to 13,270.02, 19,905.30 and 3,409.35

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Solution

The fourth proportional to 13,270.02, 19,905.30 and 3,409.35 is: 5,114.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.02 : 19,905.30 = 3,409.35 : x
  2. Step 2: Convert to fraction form
    13,270.02/19,905.30 = 3,409.35/x
  3. Step 3: Cross multiply
    13,270.02x = 19,905.30 × 3,409.35
  4. Step 4: Simplify right side
    13,270.02x = 67,864,134.56
  5. Step 5: Solve for x
    x = 67,864,134.56/13,270.02
  6. Step 6: Final answer
    x = 5,114.09

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