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Finding the Fourth Proportional to 8,129.73, 12,194.57 and 1,973.73

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Solution

The fourth proportional to 8,129.73, 12,194.57 and 1,973.73 is: 2,960.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129.73 : 12,194.57 = 1,973.73 : x
  2. Step 2: Convert to fraction form
    8,129.73/12,194.57 = 1,973.73/x
  3. Step 3: Cross multiply
    8,129.73x = 12,194.57 × 1,973.73
  4. Step 4: Simplify right side
    8,129.73x = 24,068,788.65
  5. Step 5: Solve for x
    x = 24,068,788.65/8,129.73
  6. Step 6: Final answer
    x = 2,960.59

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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.