Home / 13,337.26-20,005.46-3,977.35

Finding the Fourth Proportional to 13,337.26, 20,005.46 and 3,977.35

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Solution

The fourth proportional to 13,337.26, 20,005.46 and 3,977.35 is: 5,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.26 : 20,005.46 = 3,977.35 : x
  2. Step 2: Convert to fraction form
    13,337.26/20,005.46 = 3,977.35/x
  3. Step 3: Cross multiply
    13,337.26x = 20,005.46 × 3,977.35
  4. Step 4: Simplify right side
    13,337.26x = 79,568,762.69
  5. Step 5: Solve for x
    x = 79,568,762.69/13,337.26
  6. Step 6: Final answer
    x = 5,965.90

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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.