Home / 12,763.42-19,144.09-8,069.74

Finding the Fourth Proportional to 12,763.42, 19,144.09 and 8,069.74

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Solution

The fourth proportional to 12,763.42, 19,144.09 and 8,069.74 is: 12,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763.42 : 19,144.09 = 8,069.74 : x
  2. Step 2: Convert to fraction form
    12,763.42/19,144.09 = 8,069.74/x
  3. Step 3: Cross multiply
    12,763.42x = 19,144.09 × 8,069.74
  4. Step 4: Simplify right side
    12,763.42x = 154,487,828.84
  5. Step 5: Solve for x
    x = 154,487,828.84/12,763.42
  6. Step 6: Final answer
    x = 12,103.95

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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.