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Finding the Fourth Proportional to 14,876, 20,528.08 and 8,161.52

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Solution

The fourth proportional to 14,876, 20,528.08 and 8,161.52 is: 11,262.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876 : 20,528.08 = 8,161.52 : x
  2. Step 2: Convert to fraction form
    14,876/20,528.08 = 8,161.52/x
  3. Step 3: Cross multiply
    14,876x = 20,528.08 × 8,161.52
  4. Step 4: Simplify right side
    14,876x = 167,540,335.48
  5. Step 5: Solve for x
    x = 167,540,335.48/14,876
  6. Step 6: Final answer
    x = 11,262.46

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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.