Home / 13,551.26-20,326.48-3,690.22

Finding the Fourth Proportional to 13,551.26, 20,326.48 and 3,690.22

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Solution

The fourth proportional to 13,551.26, 20,326.48 and 3,690.22 is: 5,535.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.26 : 20,326.48 = 3,690.22 : x
  2. Step 2: Convert to fraction form
    13,551.26/20,326.48 = 3,690.22/x
  3. Step 3: Cross multiply
    13,551.26x = 20,326.48 × 3,690.22
  4. Step 4: Simplify right side
    13,551.26x = 75,009,183.03
  5. Step 5: Solve for x
    x = 75,009,183.03/13,551.26
  6. Step 6: Final answer
    x = 5,535.22

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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.