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Finding the Fourth Proportional to 14,605.48, 21,906.06 and 5,244.04

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Solution

The fourth proportional to 14,605.48, 21,906.06 and 5,244.04 is: 7,865.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,605.48 : 21,906.06 = 5,244.04 : x
  2. Step 2: Convert to fraction form
    14,605.48/21,906.06 = 5,244.04/x
  3. Step 3: Cross multiply
    14,605.48x = 21,906.06 × 5,244.04
  4. Step 4: Simplify right side
    14,605.48x = 114,876,254.88
  5. Step 5: Solve for x
    x = 114,876,254.88/14,605.48
  6. Step 6: Final answer
    x = 7,865.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.