Home / 20,222.88-30,340.30-10,369.07

Finding the Fourth Proportional to 20,222.88, 30,340.30 and 10,369.07

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Solution

The fourth proportional to 20,222.88, 30,340.30 and 10,369.07 is: 15,556.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222.88 : 30,340.30 = 10,369.07 : x
  2. Step 2: Convert to fraction form
    20,222.88/30,340.30 = 10,369.07/x
  3. Step 3: Cross multiply
    20,222.88x = 30,340.30 × 10,369.07
  4. Step 4: Simplify right side
    20,222.88x = 314,600,694.52
  5. Step 5: Solve for x
    x = 314,600,694.52/20,222.88
  6. Step 6: Final answer
    x = 15,556.67

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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.