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Finding the Fourth Proportional to 14,580, 21,870 and 6,372

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Solution

The fourth proportional to 14,580, 21,870 and 6,372 is: 9,558

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580 : 21,870 = 6,372 : x
  2. Step 2: Convert to fraction form
    14,580/21,870 = 6,372/x
  3. Step 3: Cross multiply
    14,580x = 21,870 × 6,372
  4. Step 4: Simplify right side
    14,580x = 139,355,640
  5. Step 5: Solve for x
    x = 139,355,640/14,580
  6. Step 6: Final answer
    x = 9,558

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