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Finding the Fourth Proportional to 10,197.19, 15,292.54 and 6,931.27

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Solution

The fourth proportional to 10,197.19, 15,292.54 and 6,931.27 is: 10,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.19 : 15,292.54 = 6,931.27 : x
  2. Step 2: Convert to fraction form
    10,197.19/15,292.54 = 6,931.27/x
  3. Step 3: Cross multiply
    10,197.19x = 15,292.54 × 6,931.27
  4. Step 4: Simplify right side
    10,197.19x = 105,996,647.26
  5. Step 5: Solve for x
    x = 105,996,647.26/10,197.19
  6. Step 6: Final answer
    x = 10,394.70

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