Home / 19,310.44-28,958.19-8,222.35

Finding the Fourth Proportional to 19,310.44, 28,958.19 and 8,222.35

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Solution

The fourth proportional to 19,310.44, 28,958.19 and 8,222.35 is: 12,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.44 : 28,958.19 = 8,222.35 : x
  2. Step 2: Convert to fraction form
    19,310.44/28,958.19 = 8,222.35/x
  3. Step 3: Cross multiply
    19,310.44x = 28,958.19 × 8,222.35
  4. Step 4: Simplify right side
    19,310.44x = 238,104,373.55
  5. Step 5: Solve for x
    x = 238,104,373.55/19,310.44
  6. Step 6: Final answer
    x = 12,330.34

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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.