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Finding the Fourth Proportional to 12,794.62, 19,188.05 and 4,473.08

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Solution

The fourth proportional to 12,794.62, 19,188.05 and 4,473.08 is: 6,708.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,794.62 : 19,188.05 = 4,473.08 : x
  2. Step 2: Convert to fraction form
    12,794.62/19,188.05 = 4,473.08/x
  3. Step 3: Cross multiply
    12,794.62x = 19,188.05 × 4,473.08
  4. Step 4: Simplify right side
    12,794.62x = 85,829,682.69
  5. Step 5: Solve for x
    x = 85,829,682.69/12,794.62
  6. Step 6: Final answer
    x = 6,708.27

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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.