Home / 15,511.25-23,255.54-4,975.28

Finding the Fourth Proportional to 15,511.25, 23,255.54 and 4,975.28

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Solution

The fourth proportional to 15,511.25, 23,255.54 and 4,975.28 is: 7,459.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.25 : 23,255.54 = 4,975.28 : x
  2. Step 2: Convert to fraction form
    15,511.25/23,255.54 = 4,975.28/x
  3. Step 3: Cross multiply
    15,511.25x = 23,255.54 × 4,975.28
  4. Step 4: Simplify right side
    15,511.25x = 115,702,681.90
  5. Step 5: Solve for x
    x = 115,702,681.90/15,511.25
  6. Step 6: Final answer
    x = 7,459.28

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