Home / 12,739.92-19,111.10-4,949.34

Finding the Fourth Proportional to 12,739.92, 19,111.10 and 4,949.34

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Solution

The fourth proportional to 12,739.92, 19,111.10 and 4,949.34 is: 7,424.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,739.92 : 19,111.10 = 4,949.34 : x
  2. Step 2: Convert to fraction form
    12,739.92/19,111.10 = 4,949.34/x
  3. Step 3: Cross multiply
    12,739.92x = 19,111.10 × 4,949.34
  4. Step 4: Simplify right side
    12,739.92x = 94,587,306.93
  5. Step 5: Solve for x
    x = 94,587,306.93/12,739.92
  6. Step 6: Final answer
    x = 7,424.48

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