Home / 20,260.32-30,394.05-6,930.18

Finding the Fourth Proportional to 20,260.32, 30,394.05 and 6,930.18

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Solution

The fourth proportional to 20,260.32, 30,394.05 and 6,930.18 is: 10,396.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.32 : 30,394.05 = 6,930.18 : x
  2. Step 2: Convert to fraction form
    20,260.32/30,394.05 = 6,930.18/x
  3. Step 3: Cross multiply
    20,260.32x = 30,394.05 × 6,930.18
  4. Step 4: Simplify right side
    20,260.32x = 210,636,237.43
  5. Step 5: Solve for x
    x = 210,636,237.43/20,260.32
  6. Step 6: Final answer
    x = 10,396.49

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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.