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Finding the Fourth Proportional to 10,079.14, 15,113.16 and 4,815.48

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Solution

The fourth proportional to 10,079.14, 15,113.16 and 4,815.48 is: 7,220.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.14 : 15,113.16 = 4,815.48 : x
  2. Step 2: Convert to fraction form
    10,079.14/15,113.16 = 4,815.48/x
  3. Step 3: Cross multiply
    10,079.14x = 15,113.16 × 4,815.48
  4. Step 4: Simplify right side
    10,079.14x = 72,777,119.72
  5. Step 5: Solve for x
    x = 72,777,119.72/10,079.14
  6. Step 6: Final answer
    x = 7,220.57

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