Home / 10,161.36-15,241.97-2,765.79

Finding the Fourth Proportional to 10,161.36, 15,241.97 and 2,765.79

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Solution

The fourth proportional to 10,161.36, 15,241.97 and 2,765.79 is: 4,148.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.36 : 15,241.97 = 2,765.79 : x
  2. Step 2: Convert to fraction form
    10,161.36/15,241.97 = 2,765.79/x
  3. Step 3: Cross multiply
    10,161.36x = 15,241.97 × 2,765.79
  4. Step 4: Simplify right side
    10,161.36x = 42,156,095.12
  5. Step 5: Solve for x
    x = 42,156,095.12/10,161.36
  6. Step 6: Final answer
    x = 4,148.67

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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.