Home / 12,952.08-19,428.12-5,160.96

Finding the Fourth Proportional to 12,952.08, 19,428.12 and 5,160.96

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Solution

The fourth proportional to 12,952.08, 19,428.12 and 5,160.96 is: 7,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952.08 : 19,428.12 = 5,160.96 : x
  2. Step 2: Convert to fraction form
    12,952.08/19,428.12 = 5,160.96/x
  3. Step 3: Cross multiply
    12,952.08x = 19,428.12 × 5,160.96
  4. Step 4: Simplify right side
    12,952.08x = 100,267,750.20
  5. Step 5: Solve for x
    x = 100,267,750.20/12,952.08
  6. Step 6: Final answer
    x = 7,741.44

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