Home / 12,846.33-19,242.81-11,912.04

Finding the Fourth Proportional to 12,846.33, 19,242.81 and 11,912.04

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Solution

The fourth proportional to 12,846.33, 19,242.81 and 11,912.04 is: 17,843.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846.33 : 19,242.81 = 11,912.04 : x
  2. Step 2: Convert to fraction form
    12,846.33/19,242.81 = 11,912.04/x
  3. Step 3: Cross multiply
    12,846.33x = 19,242.81 × 11,912.04
  4. Step 4: Simplify right side
    12,846.33x = 229,221,122.43
  5. Step 5: Solve for x
    x = 229,221,122.43/12,846.33
  6. Step 6: Final answer
    x = 17,843.32

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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.