Home / 20,173.46-30,268.59-10,811.07

Finding the Fourth Proportional to 20,173.46, 30,268.59 and 10,811.07

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Solution

The fourth proportional to 20,173.46, 30,268.59 and 10,811.07 is: 16,221.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.46 : 30,268.59 = 10,811.07 : x
  2. Step 2: Convert to fraction form
    20,173.46/30,268.59 = 10,811.07/x
  3. Step 3: Cross multiply
    20,173.46x = 30,268.59 × 10,811.07
  4. Step 4: Simplify right side
    20,173.46x = 327,235,804.75
  5. Step 5: Solve for x
    x = 327,235,804.75/20,173.46
  6. Step 6: Final answer
    x = 16,221.11

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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.