Home / 12,770.43-19,149.45-4,450.92

Finding the Fourth Proportional to 12,770.43, 19,149.45 and 4,450.92

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Solution

The fourth proportional to 12,770.43, 19,149.45 and 4,450.92 is: 6,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770.43 : 19,149.45 = 4,450.92 : x
  2. Step 2: Convert to fraction form
    12,770.43/19,149.45 = 4,450.92/x
  3. Step 3: Cross multiply
    12,770.43x = 19,149.45 × 4,450.92
  4. Step 4: Simplify right side
    12,770.43x = 85,232,669.99
  5. Step 5: Solve for x
    x = 85,232,669.99/12,770.43
  6. Step 6: Final answer
    x = 6,674.22

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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.