Home / 20,341.26-30,512.42-6,490.26

Finding the Fourth Proportional to 20,341.26, 30,512.42 and 6,490.26

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Solution

The fourth proportional to 20,341.26, 30,512.42 and 6,490.26 is: 9,735.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,341.26 : 30,512.42 = 6,490.26 : x
  2. Step 2: Convert to fraction form
    20,341.26/30,512.42 = 6,490.26/x
  3. Step 3: Cross multiply
    20,341.26x = 30,512.42 × 6,490.26
  4. Step 4: Simplify right side
    20,341.26x = 198,033,539.03
  5. Step 5: Solve for x
    x = 198,033,539.03/20,341.26
  6. Step 6: Final answer
    x = 9,735.56

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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.