Home / 13,609.01-20,415.34-4,249.67

Finding the Fourth Proportional to 13,609.01, 20,415.34 and 4,249.67

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Solution

The fourth proportional to 13,609.01, 20,415.34 and 4,249.67 is: 6,375.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609.01 : 20,415.34 = 4,249.67 : x
  2. Step 2: Convert to fraction form
    13,609.01/20,415.34 = 4,249.67/x
  3. Step 3: Cross multiply
    13,609.01x = 20,415.34 × 4,249.67
  4. Step 4: Simplify right side
    13,609.01x = 86,758,361.17
  5. Step 5: Solve for x
    x = 86,758,361.17/13,609.01
  6. Step 6: Final answer
    x = 6,375.07

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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.