Home / 20,379.22-30,573.23-6,338.98

Finding the Fourth Proportional to 20,379.22, 30,573.23 and 6,338.98

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Solution

The fourth proportional to 20,379.22, 30,573.23 and 6,338.98 is: 9,509.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,379.22 : 30,573.23 = 6,338.98 : x
  2. Step 2: Convert to fraction form
    20,379.22/30,573.23 = 6,338.98/x
  3. Step 3: Cross multiply
    20,379.22x = 30,573.23 × 6,338.98
  4. Step 4: Simplify right side
    20,379.22x = 193,803,093.51
  5. Step 5: Solve for x
    x = 193,803,093.51/20,379.22
  6. Step 6: Final answer
    x = 9,509.84

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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.