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Finding the Fourth Proportional to 14,509.88, 20,022.24 and 8,222.24

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Solution

The fourth proportional to 14,509.88, 20,022.24 and 8,222.24 is: 11,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509.88 : 20,022.24 = 8,222.24 : x
  2. Step 2: Convert to fraction form
    14,509.88/20,022.24 = 8,222.24/x
  3. Step 3: Cross multiply
    14,509.88x = 20,022.24 × 8,222.24
  4. Step 4: Simplify right side
    14,509.88x = 164,627,662.62
  5. Step 5: Solve for x
    x = 164,627,662.62/14,509.88
  6. Step 6: Final answer
    x = 11,345.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.