Home / 19,176.27-28,759.06-8,076.43

Finding the Fourth Proportional to 19,176.27, 28,759.06 and 8,076.43

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Solution

The fourth proportional to 19,176.27, 28,759.06 and 8,076.43 is: 12,112.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176.27 : 28,759.06 = 8,076.43 : x
  2. Step 2: Convert to fraction form
    19,176.27/28,759.06 = 8,076.43/x
  3. Step 3: Cross multiply
    19,176.27x = 28,759.06 × 8,076.43
  4. Step 4: Simplify right side
    19,176.27x = 232,270,534.96
  5. Step 5: Solve for x
    x = 232,270,534.96/19,176.27
  6. Step 6: Final answer
    x = 12,112.39

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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.