Home / 22,190.92-30,623.64-12,119.18

Finding the Fourth Proportional to 22,190.92, 30,623.64 and 12,119.18

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Solution

The fourth proportional to 22,190.92, 30,623.64 and 12,119.18 is: 16,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190.92 : 30,623.64 = 12,119.18 : x
  2. Step 2: Convert to fraction form
    22,190.92/30,623.64 = 12,119.18/x
  3. Step 3: Cross multiply
    22,190.92x = 30,623.64 × 12,119.18
  4. Step 4: Simplify right side
    22,190.92x = 371,133,206.85
  5. Step 5: Solve for x
    x = 371,133,206.85/22,190.92
  6. Step 6: Final answer
    x = 16,724.55

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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.