Home / 20,575.35-30,858.12-8,882.19

Finding the Fourth Proportional to 20,575.35, 30,858.12 and 8,882.19

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Solution

The fourth proportional to 20,575.35, 30,858.12 and 8,882.19 is: 13,321.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,575.35 : 30,858.12 = 8,882.19 : x
  2. Step 2: Convert to fraction form
    20,575.35/30,858.12 = 8,882.19/x
  3. Step 3: Cross multiply
    20,575.35x = 30,858.12 × 8,882.19
  4. Step 4: Simplify right side
    20,575.35x = 274,087,684.88
  5. Step 5: Solve for x
    x = 274,087,684.88/20,575.35
  6. Step 6: Final answer
    x = 13,321.17

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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.