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Finding the Fourth Proportional to 12,016.52, 18,024.90 and 3,251.52

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Solution

The fourth proportional to 12,016.52, 18,024.90 and 3,251.52 is: 4,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.52 : 18,024.90 = 3,251.52 : x
  2. Step 2: Convert to fraction form
    12,016.52/18,024.90 = 3,251.52/x
  3. Step 3: Cross multiply
    12,016.52x = 18,024.90 × 3,251.52
  4. Step 4: Simplify right side
    12,016.52x = 58,608,322.85
  5. Step 5: Solve for x
    x = 58,608,322.85/12,016.52
  6. Step 6: Final answer
    x = 4,877.31

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1.5x scale

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.