Home / 12,745.08-19,110.42-5,246.55

Finding the Fourth Proportional to 12,745.08, 19,110.42 and 5,246.55

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Solution

The fourth proportional to 12,745.08, 19,110.42 and 5,246.55 is: 7,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745.08 : 19,110.42 = 5,246.55 : x
  2. Step 2: Convert to fraction form
    12,745.08/19,110.42 = 5,246.55/x
  3. Step 3: Cross multiply
    12,745.08x = 19,110.42 × 5,246.55
  4. Step 4: Simplify right side
    12,745.08x = 100,263,774.05
  5. Step 5: Solve for x
    x = 100,263,774.05/12,745.08
  6. Step 6: Final answer
    x = 7,866.86

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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.