Home / 10,557.36-15,835.92-4,320.72

Finding the Fourth Proportional to 10,557.36, 15,835.92 and 4,320.72

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Solution

The fourth proportional to 10,557.36, 15,835.92 and 4,320.72 is: 6,481.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.36 : 15,835.92 = 4,320.72 : x
  2. Step 2: Convert to fraction form
    10,557.36/15,835.92 = 4,320.72/x
  3. Step 3: Cross multiply
    10,557.36x = 15,835.92 × 4,320.72
  4. Step 4: Simplify right side
    10,557.36x = 68,422,576.26
  5. Step 5: Solve for x
    x = 68,422,576.26/10,557.36
  6. Step 6: Final answer
    x = 6,481.03

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