Home / 11,421.97-17,132.78-3,630.67

Finding the Fourth Proportional to 11,421.97, 17,132.78 and 3,630.67

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Solution

The fourth proportional to 11,421.97, 17,132.78 and 3,630.67 is: 5,445.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.97 : 17,132.78 = 3,630.67 : x
  2. Step 2: Convert to fraction form
    11,421.97/17,132.78 = 3,630.67/x
  3. Step 3: Cross multiply
    11,421.97x = 17,132.78 × 3,630.67
  4. Step 4: Simplify right side
    11,421.97x = 62,203,452.21
  5. Step 5: Solve for x
    x = 62,203,452.21/11,421.97
  6. Step 6: Final answer
    x = 5,445.95

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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.