Home / 12,766.67-19,138.32-5,371.65

Finding the Fourth Proportional to 12,766.67, 19,138.32 and 5,371.65

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Solution

The fourth proportional to 12,766.67, 19,138.32 and 5,371.65 is: 8,052.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.67 : 19,138.32 = 5,371.65 : x
  2. Step 2: Convert to fraction form
    12,766.67/19,138.32 = 5,371.65/x
  3. Step 3: Cross multiply
    12,766.67x = 19,138.32 × 5,371.65
  4. Step 4: Simplify right side
    12,766.67x = 102,804,356.63
  5. Step 5: Solve for x
    x = 102,804,356.63/12,766.67
  6. Step 6: Final answer
    x = 8,052.56

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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.