Home / 10,163.28-15,245.67-2,768.31

Finding the Fourth Proportional to 10,163.28, 15,245.67 and 2,768.31

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Solution

The fourth proportional to 10,163.28, 15,245.67 and 2,768.31 is: 4,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.28 : 15,245.67 = 2,768.31 : x
  2. Step 2: Convert to fraction form
    10,163.28/15,245.67 = 2,768.31/x
  3. Step 3: Cross multiply
    10,163.28x = 15,245.67 × 2,768.31
  4. Step 4: Simplify right side
    10,163.28x = 42,204,740.72
  5. Step 5: Solve for x
    x = 42,204,740.72/10,163.28
  6. Step 6: Final answer
    x = 4,152.67

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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.