Home / 12,786.91-19,184.97-4,468.15

Finding the Fourth Proportional to 12,786.91, 19,184.97 and 4,468.15

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Solution

The fourth proportional to 12,786.91, 19,184.97 and 4,468.15 is: 6,703.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786.91 : 19,184.97 = 4,468.15 : x
  2. Step 2: Convert to fraction form
    12,786.91/19,184.97 = 4,468.15/x
  3. Step 3: Cross multiply
    12,786.91x = 19,184.97 × 4,468.15
  4. Step 4: Simplify right side
    12,786.91x = 85,721,323.71
  5. Step 5: Solve for x
    x = 85,721,323.71/12,786.91
  6. Step 6: Final answer
    x = 6,703.83

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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.