Home / 19,380.58-29,073.92-8,287.33

Finding the Fourth Proportional to 19,380.58, 29,073.92 and 8,287.33

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Solution

The fourth proportional to 19,380.58, 29,073.92 and 8,287.33 is: 12,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380.58 : 29,073.92 = 8,287.33 : x
  2. Step 2: Convert to fraction form
    19,380.58/29,073.92 = 8,287.33/x
  3. Step 3: Cross multiply
    19,380.58x = 29,073.92 × 8,287.33
  4. Step 4: Simplify right side
    19,380.58x = 240,945,169.43
  5. Step 5: Solve for x
    x = 240,945,169.43/19,380.58
  6. Step 6: Final answer
    x = 12,432.30

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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.