Home / 12,694.93-19,038.44-4,259.79

Finding the Fourth Proportional to 12,694.93, 19,038.44 and 4,259.79

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Solution

The fourth proportional to 12,694.93, 19,038.44 and 4,259.79 is: 6,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,694.93 : 19,038.44 = 4,259.79 : x
  2. Step 2: Convert to fraction form
    12,694.93/19,038.44 = 4,259.79/x
  3. Step 3: Cross multiply
    12,694.93x = 19,038.44 × 4,259.79
  4. Step 4: Simplify right side
    12,694.93x = 81,099,766.98
  5. Step 5: Solve for x
    x = 81,099,766.98/12,694.93
  6. Step 6: Final answer
    x = 6,388.36

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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.