Home / 20,882.83-31,321.00-6,090.20

Finding the Fourth Proportional to 20,882.83, 31,321.00 and 6,090.20

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Solution

The fourth proportional to 20,882.83, 31,321.00 and 6,090.20 is: 9,134.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,882.83 : 31,321.00 = 6,090.20 : x
  2. Step 2: Convert to fraction form
    20,882.83/31,321.00 = 6,090.20/x
  3. Step 3: Cross multiply
    20,882.83x = 31,321.00 × 6,090.20
  4. Step 4: Simplify right side
    20,882.83x = 190,751,240.12
  5. Step 5: Solve for x
    x = 190,751,240.12/20,882.83
  6. Step 6: Final answer
    x = 9,134.36

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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.