Home / 13,057.19-19,581.63-4,290.08

Finding the Fourth Proportional to 13,057.19, 19,581.63 and 4,290.08

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Solution

The fourth proportional to 13,057.19, 19,581.63 and 4,290.08 is: 6,433.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.19 : 19,581.63 = 4,290.08 : x
  2. Step 2: Convert to fraction form
    13,057.19/19,581.63 = 4,290.08/x
  3. Step 3: Cross multiply
    13,057.19x = 19,581.63 × 4,290.08
  4. Step 4: Simplify right side
    13,057.19x = 84,006,759.23
  5. Step 5: Solve for x
    x = 84,006,759.23/13,057.19
  6. Step 6: Final answer
    x = 6,433.75

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