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Finding the Fourth Proportional to 8,397.27, 12,611.80 and 8,060.72

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Solution

The fourth proportional to 8,397.27, 12,611.80 and 8,060.72 is: 12,106.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397.27 : 12,611.80 = 8,060.72 : x
  2. Step 2: Convert to fraction form
    8,397.27/12,611.80 = 8,060.72/x
  3. Step 3: Cross multiply
    8,397.27x = 12,611.80 × 8,060.72
  4. Step 4: Simplify right side
    8,397.27x = 101,660,135.51
  5. Step 5: Solve for x
    x = 101,660,135.51/8,397.27
  6. Step 6: Final answer
    x = 12,106.33

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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.