Home / 12,836.64-19,255.64-4,072.23

Finding the Fourth Proportional to 12,836.64, 19,255.64 and 4,072.23

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Solution

The fourth proportional to 12,836.64, 19,255.64 and 4,072.23 is: 6,108.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.64 : 19,255.64 = 4,072.23 : x
  2. Step 2: Convert to fraction form
    12,836.64/19,255.64 = 4,072.23/x
  3. Step 3: Cross multiply
    12,836.64x = 19,255.64 × 4,072.23
  4. Step 4: Simplify right side
    12,836.64x = 78,413,394.88
  5. Step 5: Solve for x
    x = 78,413,394.88/12,836.64
  6. Step 6: Final answer
    x = 6,108.56

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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.