Home / 20,171.04-30,244.22-8,321.14

Finding the Fourth Proportional to 20,171.04, 30,244.22 and 8,321.14

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Solution

The fourth proportional to 20,171.04, 30,244.22 and 8,321.14 is: 12,476.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171.04 : 30,244.22 = 8,321.14 : x
  2. Step 2: Convert to fraction form
    20,171.04/30,244.22 = 8,321.14/x
  3. Step 3: Cross multiply
    20,171.04x = 30,244.22 × 8,321.14
  4. Step 4: Simplify right side
    20,171.04x = 251,666,416.21
  5. Step 5: Solve for x
    x = 251,666,416.21/20,171.04
  6. Step 6: Final answer
    x = 12,476.62

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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.