Home / 10,540.96-15,811.44-2,749.76

Finding the Fourth Proportional to 10,540.96, 15,811.44 and 2,749.76

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Solution

The fourth proportional to 10,540.96, 15,811.44 and 2,749.76 is: 4,124.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.96 : 15,811.44 = 2,749.76 : x
  2. Step 2: Convert to fraction form
    10,540.96/15,811.44 = 2,749.76/x
  3. Step 3: Cross multiply
    10,540.96x = 15,811.44 × 2,749.76
  4. Step 4: Simplify right side
    10,540.96x = 43,477,665.25
  5. Step 5: Solve for x
    x = 43,477,665.25/10,540.96
  6. Step 6: Final answer
    x = 4,124.64

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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.