Home / 12,839.08-19,252.86-4,072.36

Finding the Fourth Proportional to 12,839.08, 19,252.86 and 4,072.36

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Solution

The fourth proportional to 12,839.08, 19,252.86 and 4,072.36 is: 6,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,839.08 : 19,252.86 = 4,072.36 : x
  2. Step 2: Convert to fraction form
    12,839.08/19,252.86 = 4,072.36/x
  3. Step 3: Cross multiply
    12,839.08x = 19,252.86 × 4,072.36
  4. Step 4: Simplify right side
    12,839.08x = 78,404,576.95
  5. Step 5: Solve for x
    x = 78,404,576.95/12,839.08
  6. Step 6: Final answer
    x = 6,106.71

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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.