Home / 19,147.07-28,714.23-8,051.69

Finding the Fourth Proportional to 19,147.07, 28,714.23 and 8,051.69

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Solution

The fourth proportional to 19,147.07, 28,714.23 and 8,051.69 is: 12,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.07 : 28,714.23 = 8,051.69 : x
  2. Step 2: Convert to fraction form
    19,147.07/28,714.23 = 8,051.69/x
  3. Step 3: Cross multiply
    19,147.07x = 28,714.23 × 8,051.69
  4. Step 4: Simplify right side
    19,147.07x = 231,198,150.33
  5. Step 5: Solve for x
    x = 231,198,150.33/19,147.07
  6. Step 6: Final answer
    x = 12,074.86

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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.