Home / 20,186.56-30,280.84-7,704.24

Finding the Fourth Proportional to 20,186.56, 30,280.84 and 7,704.24

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Solution

The fourth proportional to 20,186.56, 30,280.84 and 7,704.24 is: 11,556.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186.56 : 30,280.84 = 7,704.24 : x
  2. Step 2: Convert to fraction form
    20,186.56/30,280.84 = 7,704.24/x
  3. Step 3: Cross multiply
    20,186.56x = 30,280.84 × 7,704.24
  4. Step 4: Simplify right side
    20,186.56x = 233,290,858.76
  5. Step 5: Solve for x
    x = 233,290,858.76/20,186.56
  6. Step 6: Final answer
    x = 11,556.74

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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.