Home / 12,785.91-19,183.47-4,467.15

Finding the Fourth Proportional to 12,785.91, 19,183.47 and 4,467.15

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Solution

The fourth proportional to 12,785.91, 19,183.47 and 4,467.15 is: 6,702.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785.91 : 19,183.47 = 4,467.15 : x
  2. Step 2: Convert to fraction form
    12,785.91/19,183.47 = 4,467.15/x
  3. Step 3: Cross multiply
    12,785.91x = 19,183.47 × 4,467.15
  4. Step 4: Simplify right side
    12,785.91x = 85,695,438.01
  5. Step 5: Solve for x
    x = 85,695,438.01/12,785.91
  6. Step 6: Final answer
    x = 6,702.33

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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.