Home / 12,450.72-18,672.03-4,551.42

Finding the Fourth Proportional to 12,450.72, 18,672.03 and 4,551.42

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Solution

The fourth proportional to 12,450.72, 18,672.03 and 4,551.42 is: 6,825.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.72 : 18,672.03 = 4,551.42 : x
  2. Step 2: Convert to fraction form
    12,450.72/18,672.03 = 4,551.42/x
  3. Step 3: Cross multiply
    12,450.72x = 18,672.03 × 4,551.42
  4. Step 4: Simplify right side
    12,450.72x = 84,984,250.78
  5. Step 5: Solve for x
    x = 84,984,250.78/12,450.72
  6. Step 6: Final answer
    x = 6,825.65

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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.