Home / 20,460.26-30,668.34-9,907.94

Finding the Fourth Proportional to 20,460.26, 30,668.34 and 9,907.94

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Solution

The fourth proportional to 20,460.26, 30,668.34 and 9,907.94 is: 14,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,460.26 : 30,668.34 = 9,907.94 : x
  2. Step 2: Convert to fraction form
    20,460.26/30,668.34 = 9,907.94/x
  3. Step 3: Cross multiply
    20,460.26x = 30,668.34 × 9,907.94
  4. Step 4: Simplify right side
    20,460.26x = 303,860,072.62
  5. Step 5: Solve for x
    x = 303,860,072.62/20,460.26
  6. Step 6: Final answer
    x = 14,851.23

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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.