Home / 22,133.43-33,205.01-12,287.07

Finding the Fourth Proportional to 22,133.43, 33,205.01 and 12,287.07

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Solution

The fourth proportional to 22,133.43, 33,205.01 and 12,287.07 is: 18,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,133.43 : 33,205.01 = 12,287.07 : x
  2. Step 2: Convert to fraction form
    22,133.43/33,205.01 = 12,287.07/x
  3. Step 3: Cross multiply
    22,133.43x = 33,205.01 × 12,287.07
  4. Step 4: Simplify right side
    22,133.43x = 407,992,220.79
  5. Step 5: Solve for x
    x = 407,992,220.79/22,133.43
  6. Step 6: Final answer
    x = 18,433.30

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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.