Home / 10,904.80-16,362.60-6,228.40

Finding the Fourth Proportional to 10,904.80, 16,362.60 and 6,228.40

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Solution

The fourth proportional to 10,904.80, 16,362.60 and 6,228.40 is: 9,345.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.80 : 16,362.60 = 6,228.40 : x
  2. Step 2: Convert to fraction form
    10,904.80/16,362.60 = 6,228.40/x
  3. Step 3: Cross multiply
    10,904.80x = 16,362.60 × 6,228.40
  4. Step 4: Simplify right side
    10,904.80x = 101,912,817.84
  5. Step 5: Solve for x
    x = 101,912,817.84/10,904.80
  6. Step 6: Final answer
    x = 9,345.68

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