Home / 10,515.14-15,770.86-3,850.26

Finding the Fourth Proportional to 10,515.14, 15,770.86 and 3,850.26

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Solution

The fourth proportional to 10,515.14, 15,770.86 and 3,850.26 is: 5,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.14 : 15,770.86 = 3,850.26 : x
  2. Step 2: Convert to fraction form
    10,515.14/15,770.86 = 3,850.26/x
  3. Step 3: Cross multiply
    10,515.14x = 15,770.86 × 3,850.26
  4. Step 4: Simplify right side
    10,515.14x = 60,721,911.42
  5. Step 5: Solve for x
    x = 60,721,911.42/10,515.14
  6. Step 6: Final answer
    x = 5,774.71

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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.