Home / 18,722.89-28,087.22-7,036.93

Finding the Fourth Proportional to 18,722.89, 28,087.22 and 7,036.93

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Solution

The fourth proportional to 18,722.89, 28,087.22 and 7,036.93 is: 10,556.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.89 : 28,087.22 = 7,036.93 : x
  2. Step 2: Convert to fraction form
    18,722.89/28,087.22 = 7,036.93/x
  3. Step 3: Cross multiply
    18,722.89x = 28,087.22 × 7,036.93
  4. Step 4: Simplify right side
    18,722.89x = 197,647,765.85
  5. Step 5: Solve for x
    x = 197,647,765.85/18,722.89
  6. Step 6: Final answer
    x = 10,556.48

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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.