Home / 12,908.09-19,361.73-3,674.09

Finding the Fourth Proportional to 12,908.09, 19,361.73 and 3,674.09

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Solution

The fourth proportional to 12,908.09, 19,361.73 and 3,674.09 is: 5,511.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,908.09 : 19,361.73 = 3,674.09 : x
  2. Step 2: Convert to fraction form
    12,908.09/19,361.73 = 3,674.09/x
  3. Step 3: Cross multiply
    12,908.09x = 19,361.73 × 3,674.09
  4. Step 4: Simplify right side
    12,908.09x = 71,136,800.76
  5. Step 5: Solve for x
    x = 71,136,800.76/12,908.09
  6. Step 6: Final answer
    x = 5,511.02

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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.