Home / 10,739.20-16,109.52-3,719.90

Finding the Fourth Proportional to 10,739.20, 16,109.52 and 3,719.90

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Solution

The fourth proportional to 10,739.20, 16,109.52 and 3,719.90 is: 5,580.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739.20 : 16,109.52 = 3,719.90 : x
  2. Step 2: Convert to fraction form
    10,739.20/16,109.52 = 3,719.90/x
  3. Step 3: Cross multiply
    10,739.20x = 16,109.52 × 3,719.90
  4. Step 4: Simplify right side
    10,739.20x = 59,925,803.45
  5. Step 5: Solve for x
    x = 59,925,803.45/10,739.20
  6. Step 6: Final answer
    x = 5,580.10

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