Home / 12,907.35-19,363.04-5,511.85

Finding the Fourth Proportional to 12,907.35, 19,363.04 and 5,511.85

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Solution

The fourth proportional to 12,907.35, 19,363.04 and 5,511.85 is: 8,268.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907.35 : 19,363.04 = 5,511.85 : x
  2. Step 2: Convert to fraction form
    12,907.35/19,363.04 = 5,511.85/x
  3. Step 3: Cross multiply
    12,907.35x = 19,363.04 × 5,511.85
  4. Step 4: Simplify right side
    12,907.35x = 106,726,137.40
  5. Step 5: Solve for x
    x = 106,726,137.40/12,907.35
  6. Step 6: Final answer
    x = 8,268.63

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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.