Home / 12,451.55-18,680.97-4,017.89

Finding the Fourth Proportional to 12,451.55, 18,680.97 and 4,017.89

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Solution

The fourth proportional to 12,451.55, 18,680.97 and 4,017.89 is: 6,028.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.55 : 18,680.97 = 4,017.89 : x
  2. Step 2: Convert to fraction form
    12,451.55/18,680.97 = 4,017.89/x
  3. Step 3: Cross multiply
    12,451.55x = 18,680.97 × 4,017.89
  4. Step 4: Simplify right side
    12,451.55x = 75,057,989.15
  5. Step 5: Solve for x
    x = 75,057,989.15/12,451.55
  6. Step 6: Final answer
    x = 6,028.01

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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.