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Finding the Fourth Proportional to 14,954, 20,636.52 and 8,670.02

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Solution

The fourth proportional to 14,954, 20,636.52 and 8,670.02 is: 11,964.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,954 : 20,636.52 = 8,670.02 : x
  2. Step 2: Convert to fraction form
    14,954/20,636.52 = 8,670.02/x
  3. Step 3: Cross multiply
    14,954x = 20,636.52 × 8,670.02
  4. Step 4: Simplify right side
    14,954x = 178,919,041.13
  5. Step 5: Solve for x
    x = 178,919,041.13/14,954
  6. Step 6: Final answer
    x = 11,964.63

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Why These Related Problems?

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