Home / 11,514.65-17,272.26-8,611.38

Finding the Fourth Proportional to 11,514.65, 17,272.26 and 8,611.38

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Solution

The fourth proportional to 11,514.65, 17,272.26 and 8,611.38 is: 12,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,514.65 : 17,272.26 = 8,611.38 : x
  2. Step 2: Convert to fraction form
    11,514.65/17,272.26 = 8,611.38/x
  3. Step 3: Cross multiply
    11,514.65x = 17,272.26 × 8,611.38
  4. Step 4: Simplify right side
    11,514.65x = 148,737,994.32
  5. Step 5: Solve for x
    x = 148,737,994.32/11,514.65
  6. Step 6: Final answer
    x = 12,917.29

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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.