Home / 12,825.30-19,238.10-4,505.56

Finding the Fourth Proportional to 12,825.30, 19,238.10 and 4,505.56

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Solution

The fourth proportional to 12,825.30, 19,238.10 and 4,505.56 is: 6,758.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.30 : 19,238.10 = 4,505.56 : x
  2. Step 2: Convert to fraction form
    12,825.30/19,238.10 = 4,505.56/x
  3. Step 3: Cross multiply
    12,825.30x = 19,238.10 × 4,505.56
  4. Step 4: Simplify right side
    12,825.30x = 86,678,413.84
  5. Step 5: Solve for x
    x = 86,678,413.84/12,825.30
  6. Step 6: Final answer
    x = 6,758.39

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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.