Home / 17,261.29-25,888.80-4,778.18

Finding the Fourth Proportional to 17,261.29, 25,888.80 and 4,778.18

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Solution

The fourth proportional to 17,261.29, 25,888.80 and 4,778.18 is: 7,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,261.29 : 25,888.80 = 4,778.18 : x
  2. Step 2: Convert to fraction form
    17,261.29/25,888.80 = 4,778.18/x
  3. Step 3: Cross multiply
    17,261.29x = 25,888.80 × 4,778.18
  4. Step 4: Simplify right side
    17,261.29x = 123,701,346.38
  5. Step 5: Solve for x
    x = 123,701,346.38/17,261.29
  6. Step 6: Final answer
    x = 7,166.40

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