Home / 15,321.43-22,979.40-4,076.83

Finding the Fourth Proportional to 15,321.43, 22,979.40 and 4,076.83

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Solution

The fourth proportional to 15,321.43, 22,979.40 and 4,076.83 is: 6,114.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,321.43 : 22,979.40 = 4,076.83 : x
  2. Step 2: Convert to fraction form
    15,321.43/22,979.40 = 4,076.83/x
  3. Step 3: Cross multiply
    15,321.43x = 22,979.40 × 4,076.83
  4. Step 4: Simplify right side
    15,321.43x = 93,682,992.41
  5. Step 5: Solve for x
    x = 93,682,992.41/15,321.43
  6. Step 6: Final answer
    x = 6,114.51

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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.