Home / 20,191.56-30,246.30-14,942.22

Finding the Fourth Proportional to 20,191.56, 30,246.30 and 14,942.22

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Solution

The fourth proportional to 20,191.56, 30,246.30 and 14,942.22 is: 22,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191.56 : 30,246.30 = 14,942.22 : x
  2. Step 2: Convert to fraction form
    20,191.56/30,246.30 = 14,942.22/x
  3. Step 3: Cross multiply
    20,191.56x = 30,246.30 × 14,942.22
  4. Step 4: Simplify right side
    20,191.56x = 451,946,868.79
  5. Step 5: Solve for x
    x = 451,946,868.79/20,191.56
  6. Step 6: Final answer
    x = 22,382.96

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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.