Home / 20,180.58-30,227.11-9,770.50

Finding the Fourth Proportional to 20,180.58, 30,227.11 and 9,770.50

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Solution

The fourth proportional to 20,180.58, 30,227.11 and 9,770.50 is: 14,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.58 : 30,227.11 = 9,770.50 : x
  2. Step 2: Convert to fraction form
    20,180.58/30,227.11 = 9,770.50/x
  3. Step 3: Cross multiply
    20,180.58x = 30,227.11 × 9,770.50
  4. Step 4: Simplify right side
    20,180.58x = 295,333,978.26
  5. Step 5: Solve for x
    x = 295,333,978.26/20,180.58
  6. Step 6: Final answer
    x = 14,634.56

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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.