Home / 12,976.48-19,450.14-5,584.42

Finding the Fourth Proportional to 12,976.48, 19,450.14 and 5,584.42

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Solution

The fourth proportional to 12,976.48, 19,450.14 and 5,584.42 is: 8,370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976.48 : 19,450.14 = 5,584.42 : x
  2. Step 2: Convert to fraction form
    12,976.48/19,450.14 = 5,584.42/x
  3. Step 3: Cross multiply
    12,976.48x = 19,450.14 × 5,584.42
  4. Step 4: Simplify right side
    12,976.48x = 108,617,750.82
  5. Step 5: Solve for x
    x = 108,617,750.82/12,976.48
  6. Step 6: Final answer
    x = 8,370.36

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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.