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Finding the Fourth Proportional to 9,505.94, 14,254.16 and 2,931.28

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Solution

The fourth proportional to 9,505.94, 14,254.16 and 2,931.28 is: 4,395.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505.94 : 14,254.16 = 2,931.28 : x
  2. Step 2: Convert to fraction form
    9,505.94/14,254.16 = 2,931.28/x
  3. Step 3: Cross multiply
    9,505.94x = 14,254.16 × 2,931.28
  4. Step 4: Simplify right side
    9,505.94x = 41,782,853.69
  5. Step 5: Solve for x
    x = 41,782,853.69/9,505.94
  6. Step 6: Final answer
    x = 4,395.45

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