Home / 20,300.44-30,452.28-6,449.44

Finding the Fourth Proportional to 20,300.44, 30,452.28 and 6,449.44

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Solution

The fourth proportional to 20,300.44, 30,452.28 and 6,449.44 is: 9,674.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,300.44 : 30,452.28 = 6,449.44 : x
  2. Step 2: Convert to fraction form
    20,300.44/30,452.28 = 6,449.44/x
  3. Step 3: Cross multiply
    20,300.44x = 30,452.28 × 6,449.44
  4. Step 4: Simplify right side
    20,300.44x = 196,400,152.72
  5. Step 5: Solve for x
    x = 196,400,152.72/20,300.44
  6. Step 6: Final answer
    x = 9,674.67

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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.