Home / 20,216.26-30,308.18-13,559.68

Finding the Fourth Proportional to 20,216.26, 30,308.18 and 13,559.68

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Solution

The fourth proportional to 20,216.26, 30,308.18 and 13,559.68 is: 20,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216.26 : 30,308.18 = 13,559.68 : x
  2. Step 2: Convert to fraction form
    20,216.26/30,308.18 = 13,559.68/x
  3. Step 3: Cross multiply
    20,216.26x = 30,308.18 × 13,559.68
  4. Step 4: Simplify right side
    20,216.26x = 410,969,104.54
  5. Step 5: Solve for x
    x = 410,969,104.54/20,216.26
  6. Step 6: Final answer
    x = 20,328.65

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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.