Home / 20,181.26-30,271.55-9,080.09

Finding the Fourth Proportional to 20,181.26, 30,271.55 and 9,080.09

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Solution

The fourth proportional to 20,181.26, 30,271.55 and 9,080.09 is: 13,619.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181.26 : 30,271.55 = 9,080.09 : x
  2. Step 2: Convert to fraction form
    20,181.26/30,271.55 = 9,080.09/x
  3. Step 3: Cross multiply
    20,181.26x = 30,271.55 × 9,080.09
  4. Step 4: Simplify right side
    20,181.26x = 274,868,201.68
  5. Step 5: Solve for x
    x = 274,868,201.68/20,181.26
  6. Step 6: Final answer
    x = 13,619.98

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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.