Home / 22,262.89-30,722.84-12,191.99

Finding the Fourth Proportional to 22,262.89, 30,722.84 and 12,191.99

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Solution

The fourth proportional to 22,262.89, 30,722.84 and 12,191.99 is: 16,824.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,262.89 : 30,722.84 = 12,191.99 : x
  2. Step 2: Convert to fraction form
    22,262.89/30,722.84 = 12,191.99/x
  3. Step 3: Cross multiply
    22,262.89x = 30,722.84 × 12,191.99
  4. Step 4: Simplify right side
    22,262.89x = 374,572,558.05
  5. Step 5: Solve for x
    x = 374,572,558.05/22,262.89
  6. Step 6: Final answer
    x = 16,824.97

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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.