Home / 12,267.75-18,401.22-3,948.24

Finding the Fourth Proportional to 12,267.75, 18,401.22 and 3,948.24

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Solution

The fourth proportional to 12,267.75, 18,401.22 and 3,948.24 is: 5,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,267.75 : 18,401.22 = 3,948.24 : x
  2. Step 2: Convert to fraction form
    12,267.75/18,401.22 = 3,948.24/x
  3. Step 3: Cross multiply
    12,267.75x = 18,401.22 × 3,948.24
  4. Step 4: Simplify right side
    12,267.75x = 72,652,432.85
  5. Step 5: Solve for x
    x = 72,652,432.85/12,267.75
  6. Step 6: Final answer
    x = 5,922.23

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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.