Home / 12,836.76-19,255.82-4,072.36

Finding the Fourth Proportional to 12,836.76, 19,255.82 and 4,072.36

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Solution

The fourth proportional to 12,836.76, 19,255.82 and 4,072.36 is: 6,108.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.76 : 19,255.82 = 4,072.36 : x
  2. Step 2: Convert to fraction form
    12,836.76/19,255.82 = 4,072.36/x
  3. Step 3: Cross multiply
    12,836.76x = 19,255.82 × 4,072.36
  4. Step 4: Simplify right side
    12,836.76x = 78,416,514.49
  5. Step 5: Solve for x
    x = 78,416,514.49/12,836.76
  6. Step 6: Final answer
    x = 6,108.75

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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.