Home / 12,786.42-19,184.22-4,467.66

Finding the Fourth Proportional to 12,786.42, 19,184.22 and 4,467.66

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Solution

The fourth proportional to 12,786.42, 19,184.22 and 4,467.66 is: 6,703.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786.42 : 19,184.22 = 4,467.66 : x
  2. Step 2: Convert to fraction form
    12,786.42/19,184.22 = 4,467.66/x
  3. Step 3: Cross multiply
    12,786.42x = 19,184.22 × 4,467.66
  4. Step 4: Simplify right side
    12,786.42x = 85,708,572.33
  5. Step 5: Solve for x
    x = 85,708,572.33/12,786.42
  6. Step 6: Final answer
    x = 6,703.09

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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.