Home / 12,825.28-19,238.79-7,567.97

Finding the Fourth Proportional to 12,825.28, 19,238.79 and 7,567.97

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Solution

The fourth proportional to 12,825.28, 19,238.79 and 7,567.97 is: 11,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.28 : 19,238.79 = 7,567.97 : x
  2. Step 2: Convert to fraction form
    12,825.28/19,238.79 = 7,567.97/x
  3. Step 3: Cross multiply
    12,825.28x = 19,238.79 × 7,567.97
  4. Step 4: Simplify right side
    12,825.28x = 145,598,585.56
  5. Step 5: Solve for x
    x = 145,598,585.56/12,825.28
  6. Step 6: Final answer
    x = 11,352.47

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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.