Home / 10,147.73-15,211.26-6,861.15

Finding the Fourth Proportional to 10,147.73, 15,211.26 and 6,861.15

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Solution

The fourth proportional to 10,147.73, 15,211.26 and 6,861.15 is: 10,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.73 : 15,211.26 = 6,861.15 : x
  2. Step 2: Convert to fraction form
    10,147.73/15,211.26 = 6,861.15/x
  3. Step 3: Cross multiply
    10,147.73x = 15,211.26 × 6,861.15
  4. Step 4: Simplify right side
    10,147.73x = 104,366,736.55
  5. Step 5: Solve for x
    x = 104,366,736.55/10,147.73
  6. Step 6: Final answer
    x = 10,284.74

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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.