Home / 11,022.42-15,211.12-5,986.64

Finding the Fourth Proportional to 11,022.42, 15,211.12 and 5,986.64

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Solution

The fourth proportional to 11,022.42, 15,211.12 and 5,986.64 is: 8,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.42 : 15,211.12 = 5,986.64 : x
  2. Step 2: Convert to fraction form
    11,022.42/15,211.12 = 5,986.64/x
  3. Step 3: Cross multiply
    11,022.42x = 15,211.12 × 5,986.64
  4. Step 4: Simplify right side
    11,022.42x = 91,063,516.89
  5. Step 5: Solve for x
    x = 91,063,516.89/11,022.42
  6. Step 6: Final answer
    x = 8,261.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.