Home / 12,000.26-18,000.92-3,679.67

Finding the Fourth Proportional to 12,000.26, 18,000.92 and 3,679.67

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Solution

The fourth proportional to 12,000.26, 18,000.92 and 3,679.67 is: 5,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.26 : 18,000.92 = 3,679.67 : x
  2. Step 2: Convert to fraction form
    12,000.26/18,000.92 = 3,679.67/x
  3. Step 3: Cross multiply
    12,000.26x = 18,000.92 × 3,679.67
  4. Step 4: Simplify right side
    12,000.26x = 66,237,364.49
  5. Step 5: Solve for x
    x = 66,237,364.49/12,000.26
  6. Step 6: Final answer
    x = 5,519.66

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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.