Home / 13,088.72-19,631.64-3,855.44

Finding the Fourth Proportional to 13,088.72, 19,631.64 and 3,855.44

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Solution

The fourth proportional to 13,088.72, 19,631.64 and 3,855.44 is: 5,782.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.72 : 19,631.64 = 3,855.44 : x
  2. Step 2: Convert to fraction form
    13,088.72/19,631.64 = 3,855.44/x
  3. Step 3: Cross multiply
    13,088.72x = 19,631.64 × 3,855.44
  4. Step 4: Simplify right side
    13,088.72x = 75,688,610.12
  5. Step 5: Solve for x
    x = 75,688,610.12/13,088.72
  6. Step 6: Final answer
    x = 5,782.74

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