Home / 20,396.54-30,590.87-5,601.69

Finding the Fourth Proportional to 20,396.54, 30,590.87 and 5,601.69

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Solution

The fourth proportional to 20,396.54, 30,590.87 and 5,601.69 is: 8,401.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,396.54 : 30,590.87 = 5,601.69 : x
  2. Step 2: Convert to fraction form
    20,396.54/30,590.87 = 5,601.69/x
  3. Step 3: Cross multiply
    20,396.54x = 30,590.87 × 5,601.69
  4. Step 4: Simplify right side
    20,396.54x = 171,360,542.56
  5. Step 5: Solve for x
    x = 171,360,542.56/20,396.54
  6. Step 6: Final answer
    x = 8,401.45

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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.