Home / 19,246.35-28,871.42-7,999.37

Finding the Fourth Proportional to 19,246.35, 28,871.42 and 7,999.37

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Solution

The fourth proportional to 19,246.35, 28,871.42 and 7,999.37 is: 11,999.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246.35 : 28,871.42 = 7,999.37 : x
  2. Step 2: Convert to fraction form
    19,246.35/28,871.42 = 7,999.37/x
  3. Step 3: Cross multiply
    19,246.35x = 28,871.42 × 7,999.37
  4. Step 4: Simplify right side
    19,246.35x = 230,952,986.65
  5. Step 5: Solve for x
    x = 230,952,986.65/19,246.35
  6. Step 6: Final answer
    x = 11,999.83

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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.