Home / 15,972.87-23,959.31-4,878.96

Finding the Fourth Proportional to 15,972.87, 23,959.31 and 4,878.96

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Solution

The fourth proportional to 15,972.87, 23,959.31 and 4,878.96 is: 7,318.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.87 : 23,959.31 = 4,878.96 : x
  2. Step 2: Convert to fraction form
    15,972.87/23,959.31 = 4,878.96/x
  3. Step 3: Cross multiply
    15,972.87x = 23,959.31 × 4,878.96
  4. Step 4: Simplify right side
    15,972.87x = 116,896,515.12
  5. Step 5: Solve for x
    x = 116,896,515.12/15,972.87
  6. Step 6: Final answer
    x = 7,318.44

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