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Finding the Fourth Proportional to 16,916.32, 25,371.60 and 5,226.40

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Solution

The fourth proportional to 16,916.32, 25,371.60 and 5,226.40 is: 7,838.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916.32 : 25,371.60 = 5,226.40 : x
  2. Step 2: Convert to fraction form
    16,916.32/25,371.60 = 5,226.40/x
  3. Step 3: Cross multiply
    16,916.32x = 25,371.60 × 5,226.40
  4. Step 4: Simplify right side
    16,916.32x = 132,602,130.24
  5. Step 5: Solve for x
    x = 132,602,130.24/16,916.32
  6. Step 6: Final answer
    x = 7,838.71

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