Home / 20,399.24-30,594.11-5,609.32

Finding the Fourth Proportional to 20,399.24, 30,594.11 and 5,609.32

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Solution

The fourth proportional to 20,399.24, 30,594.11 and 5,609.32 is: 8,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,399.24 : 30,594.11 = 5,609.32 : x
  2. Step 2: Convert to fraction form
    20,399.24/30,594.11 = 5,609.32/x
  3. Step 3: Cross multiply
    20,399.24x = 30,594.11 × 5,609.32
  4. Step 4: Simplify right side
    20,399.24x = 171,612,048.57
  5. Step 5: Solve for x
    x = 171,612,048.57/20,399.24
  6. Step 6: Final answer
    x = 8,412.67

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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.