Home / 12,825.82-19,245.39-9,704.90

Finding the Fourth Proportional to 12,825.82, 19,245.39 and 9,704.90

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Solution

The fourth proportional to 12,825.82, 19,245.39 and 9,704.90 is: 14,562.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.82 : 19,245.39 = 9,704.90 : x
  2. Step 2: Convert to fraction form
    12,825.82/19,245.39 = 9,704.90/x
  3. Step 3: Cross multiply
    12,825.82x = 19,245.39 × 9,704.90
  4. Step 4: Simplify right side
    12,825.82x = 186,774,452.79
  5. Step 5: Solve for x
    x = 186,774,452.79/12,825.82
  6. Step 6: Final answer
    x = 14,562.38

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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.