Home / 12,747.33-19,092.08-6,813.78

Finding the Fourth Proportional to 12,747.33, 19,092.08 and 6,813.78

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Solution

The fourth proportional to 12,747.33, 19,092.08 and 6,813.78 is: 10,205.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747.33 : 19,092.08 = 6,813.78 : x
  2. Step 2: Convert to fraction form
    12,747.33/19,092.08 = 6,813.78/x
  3. Step 3: Cross multiply
    12,747.33x = 19,092.08 × 6,813.78
  4. Step 4: Simplify right side
    12,747.33x = 130,089,178.30
  5. Step 5: Solve for x
    x = 130,089,178.30/12,747.33
  6. Step 6: Final answer
    x = 10,205.21

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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.