Home / 12,841.86-19,262.88-4,076.82

Finding the Fourth Proportional to 12,841.86, 19,262.88 and 4,076.82

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Solution

The fourth proportional to 12,841.86, 19,262.88 and 4,076.82 is: 6,115.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841.86 : 19,262.88 = 4,076.82 : x
  2. Step 2: Convert to fraction form
    12,841.86/19,262.88 = 4,076.82/x
  3. Step 3: Cross multiply
    12,841.86x = 19,262.88 × 4,076.82
  4. Step 4: Simplify right side
    12,841.86x = 78,531,294.44
  5. Step 5: Solve for x
    x = 78,531,294.44/12,841.86
  6. Step 6: Final answer
    x = 6,115.26

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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.