Home / 22,396.80-30,906.33-12,323.61

Finding the Fourth Proportional to 22,396.80, 30,906.33 and 12,323.61

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Solution

The fourth proportional to 22,396.80, 30,906.33 and 12,323.61 is: 17,005.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,396.80 : 30,906.33 = 12,323.61 : x
  2. Step 2: Convert to fraction form
    22,396.80/30,906.33 = 12,323.61/x
  3. Step 3: Cross multiply
    22,396.80x = 30,906.33 × 12,323.61
  4. Step 4: Simplify right side
    22,396.80x = 380,877,557.45
  5. Step 5: Solve for x
    x = 380,877,557.45/22,396.80
  6. Step 6: Final answer
    x = 17,005.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.