Home / 12,843.20-19,260.96-6,683.84

Finding the Fourth Proportional to 12,843.20, 19,260.96 and 6,683.84

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Solution

The fourth proportional to 12,843.20, 19,260.96 and 6,683.84 is: 10,023.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,843.20 : 19,260.96 = 6,683.84 : x
  2. Step 2: Convert to fraction form
    12,843.20/19,260.96 = 6,683.84/x
  3. Step 3: Cross multiply
    12,843.20x = 19,260.96 × 6,683.84
  4. Step 4: Simplify right side
    12,843.20x = 128,737,174.89
  5. Step 5: Solve for x
    x = 128,737,174.89/12,843.20
  6. Step 6: Final answer
    x = 10,023.76

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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.