Home / 13,918.82-20,825.91-9,766.92

Finding the Fourth Proportional to 13,918.82, 20,825.91 and 9,766.92

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Solution

The fourth proportional to 13,918.82, 20,825.91 and 9,766.92 is: 14,613.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.82 : 20,825.91 = 9,766.92 : x
  2. Step 2: Convert to fraction form
    13,918.82/20,825.91 = 9,766.92/x
  3. Step 3: Cross multiply
    13,918.82x = 20,825.91 × 9,766.92
  4. Step 4: Simplify right side
    13,918.82x = 203,404,948.06
  5. Step 5: Solve for x
    x = 203,404,948.06/13,918.82
  6. Step 6: Final answer
    x = 14,613.67

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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.