Home / 21,653.60-32,481.54-6,863.67

Finding the Fourth Proportional to 21,653.60, 32,481.54 and 6,863.67

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Solution

The fourth proportional to 21,653.60, 32,481.54 and 6,863.67 is: 10,295.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,653.60 : 32,481.54 = 6,863.67 : x
  2. Step 2: Convert to fraction form
    21,653.60/32,481.54 = 6,863.67/x
  3. Step 3: Cross multiply
    21,653.60x = 32,481.54 × 6,863.67
  4. Step 4: Simplify right side
    21,653.60x = 222,942,532.09
  5. Step 5: Solve for x
    x = 222,942,532.09/21,653.60
  6. Step 6: Final answer
    x = 10,295.87

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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.