Home / 13,661.05-20,494.66-4,174.22

Finding the Fourth Proportional to 13,661.05, 20,494.66 and 4,174.22

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Solution

The fourth proportional to 13,661.05, 20,494.66 and 4,174.22 is: 6,262.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,661.05 : 20,494.66 = 4,174.22 : x
  2. Step 2: Convert to fraction form
    13,661.05/20,494.66 = 4,174.22/x
  3. Step 3: Cross multiply
    13,661.05x = 20,494.66 × 4,174.22
  4. Step 4: Simplify right side
    13,661.05x = 85,549,219.67
  5. Step 5: Solve for x
    x = 85,549,219.67/13,661.05
  6. Step 6: Final answer
    x = 6,262.27

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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.