Home / 13,405.08-20,107.68-3,544.26

Finding the Fourth Proportional to 13,405.08, 20,107.68 and 3,544.26

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Solution

The fourth proportional to 13,405.08, 20,107.68 and 3,544.26 is: 5,316.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,405.08 : 20,107.68 = 3,544.26 : x
  2. Step 2: Convert to fraction form
    13,405.08/20,107.68 = 3,544.26/x
  3. Step 3: Cross multiply
    13,405.08x = 20,107.68 × 3,544.26
  4. Step 4: Simplify right side
    13,405.08x = 71,266,845.92
  5. Step 5: Solve for x
    x = 71,266,845.92/13,405.08
  6. Step 6: Final answer
    x = 5,316.41

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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.