Home / 12,782.97-19,171.89-4,463.37

Finding the Fourth Proportional to 12,782.97, 19,171.89 and 4,463.37

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Solution

The fourth proportional to 12,782.97, 19,171.89 and 4,463.37 is: 6,694.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,782.97 : 19,171.89 = 4,463.37 : x
  2. Step 2: Convert to fraction form
    12,782.97/19,171.89 = 4,463.37/x
  3. Step 3: Cross multiply
    12,782.97x = 19,171.89 × 4,463.37
  4. Step 4: Simplify right side
    12,782.97x = 85,571,238.67
  5. Step 5: Solve for x
    x = 85,571,238.67/12,782.97
  6. Step 6: Final answer
    x = 6,694.16

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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.