Home / 20,776.26-31,166.54-6,735.72

Finding the Fourth Proportional to 20,776.26, 31,166.54 and 6,735.72

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Solution

The fourth proportional to 20,776.26, 31,166.54 and 6,735.72 is: 10,104.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,776.26 : 31,166.54 = 6,735.72 : x
  2. Step 2: Convert to fraction form
    20,776.26/31,166.54 = 6,735.72/x
  3. Step 3: Cross multiply
    20,776.26x = 31,166.54 × 6,735.72
  4. Step 4: Simplify right side
    20,776.26x = 209,929,195.26
  5. Step 5: Solve for x
    x = 209,929,195.26/20,776.26
  6. Step 6: Final answer
    x = 10,104.28

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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.