Home / 12,828.26-19,243.49-4,507.56

Finding the Fourth Proportional to 12,828.26, 19,243.49 and 4,507.56

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Solution

The fourth proportional to 12,828.26, 19,243.49 and 4,507.56 is: 6,761.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828.26 : 19,243.49 = 4,507.56 : x
  2. Step 2: Convert to fraction form
    12,828.26/19,243.49 = 4,507.56/x
  3. Step 3: Cross multiply
    12,828.26x = 19,243.49 × 4,507.56
  4. Step 4: Simplify right side
    12,828.26x = 86,741,163.25
  5. Step 5: Solve for x
    x = 86,741,163.25/12,828.26
  6. Step 6: Final answer
    x = 6,761.72

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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.