Home / 12,795.62-19,185.21-8,399.75

Finding the Fourth Proportional to 12,795.62, 19,185.21 and 8,399.75

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Solution

The fourth proportional to 12,795.62, 19,185.21 and 8,399.75 is: 12,594.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.62 : 19,185.21 = 8,399.75 : x
  2. Step 2: Convert to fraction form
    12,795.62/19,185.21 = 8,399.75/x
  3. Step 3: Cross multiply
    12,795.62x = 19,185.21 × 8,399.75
  4. Step 4: Simplify right side
    12,795.62x = 161,150,871.77
  5. Step 5: Solve for x
    x = 161,150,871.77/12,795.62
  6. Step 6: Final answer
    x = 12,594.23

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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.