Home / 20,116.76-30,163.44-13,460.86

Finding the Fourth Proportional to 20,116.76, 30,163.44 and 13,460.86

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Solution

The fourth proportional to 20,116.76, 30,163.44 and 13,460.86 is: 20,183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,116.76 : 30,163.44 = 13,460.86 : x
  2. Step 2: Convert to fraction form
    20,116.76/30,163.44 = 13,460.86/x
  3. Step 3: Cross multiply
    20,116.76x = 30,163.44 × 13,460.86
  4. Step 4: Simplify right side
    20,116.76x = 406,025,770.59
  5. Step 5: Solve for x
    x = 406,025,770.59/20,116.76
  6. Step 6: Final answer
    x = 20,183.46

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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.