Home / 20,414.35-30,624.32-7,263.55

Finding the Fourth Proportional to 20,414.35, 30,624.32 and 7,263.55

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Solution

The fourth proportional to 20,414.35, 30,624.32 and 7,263.55 is: 10,896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414.35 : 30,624.32 = 7,263.55 : x
  2. Step 2: Convert to fraction form
    20,414.35/30,624.32 = 7,263.55/x
  3. Step 3: Cross multiply
    20,414.35x = 30,624.32 × 7,263.55
  4. Step 4: Simplify right side
    20,414.35x = 222,441,279.54
  5. Step 5: Solve for x
    x = 222,441,279.54/20,414.35
  6. Step 6: Final answer
    x = 10,896.32

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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.