Home / 13,783.92-20,676.52-4,424.32

Finding the Fourth Proportional to 13,783.92, 20,676.52 and 4,424.32

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Solution

The fourth proportional to 13,783.92, 20,676.52 and 4,424.32 is: 6,636.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.92 : 20,676.52 = 4,424.32 : x
  2. Step 2: Convert to fraction form
    13,783.92/20,676.52 = 4,424.32/x
  3. Step 3: Cross multiply
    13,783.92x = 20,676.52 × 4,424.32
  4. Step 4: Simplify right side
    13,783.92x = 91,479,540.97
  5. Step 5: Solve for x
    x = 91,479,540.97/13,783.92
  6. Step 6: Final answer
    x = 6,636.69

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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.