Home / 20,396.75-30,595.46-5,605.57

Finding the Fourth Proportional to 20,396.75, 30,595.46 and 5,605.57

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Solution

The fourth proportional to 20,396.75, 30,595.46 and 5,605.57 is: 8,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,396.75 : 30,595.46 = 5,605.57 : x
  2. Step 2: Convert to fraction form
    20,396.75/30,595.46 = 5,605.57/x
  3. Step 3: Cross multiply
    20,396.75x = 30,595.46 × 5,605.57
  4. Step 4: Simplify right side
    20,396.75x = 171,505,002.93
  5. Step 5: Solve for x
    x = 171,505,002.93/20,396.75
  6. Step 6: Final answer
    x = 8,408.45

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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.