Home / 20,163.26-30,235.35-7,013.99

Finding the Fourth Proportional to 20,163.26, 30,235.35 and 7,013.99

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Solution

The fourth proportional to 20,163.26, 30,235.35 and 7,013.99 is: 10,517.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163.26 : 30,235.35 = 7,013.99 : x
  2. Step 2: Convert to fraction form
    20,163.26/30,235.35 = 7,013.99/x
  3. Step 3: Cross multiply
    20,163.26x = 30,235.35 × 7,013.99
  4. Step 4: Simplify right side
    20,163.26x = 212,070,442.55
  5. Step 5: Solve for x
    x = 212,070,442.55/20,163.26
  6. Step 6: Final answer
    x = 10,517.67

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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.