Home / 22,383.23-30,889.44-12,311.93

Finding the Fourth Proportional to 22,383.23, 30,889.44 and 12,311.93

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Solution

The fourth proportional to 22,383.23, 30,889.44 and 12,311.93 is: 16,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,383.23 : 30,889.44 = 12,311.93 : x
  2. Step 2: Convert to fraction form
    22,383.23/30,889.44 = 12,311.93/x
  3. Step 3: Cross multiply
    22,383.23x = 30,889.44 × 12,311.93
  4. Step 4: Simplify right side
    22,383.23x = 380,308,623.02
  5. Step 5: Solve for x
    x = 380,308,623.02/22,383.23
  6. Step 6: Final answer
    x = 16,990.78

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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.