Home / 10,211.26-15,317.88-3,971.77

Finding the Fourth Proportional to 10,211.26, 15,317.88 and 3,971.77

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Solution

The fourth proportional to 10,211.26, 15,317.88 and 3,971.77 is: 5,958.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.26 : 15,317.88 = 3,971.77 : x
  2. Step 2: Convert to fraction form
    10,211.26/15,317.88 = 3,971.77/x
  3. Step 3: Cross multiply
    10,211.26x = 15,317.88 × 3,971.77
  4. Step 4: Simplify right side
    10,211.26x = 60,839,096.25
  5. Step 5: Solve for x
    x = 60,839,096.25/10,211.26
  6. Step 6: Final answer
    x = 5,958.04

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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.