Home / 16,725.05-25,088.94-8,400.78

Finding the Fourth Proportional to 16,725.05, 25,088.94 and 8,400.78

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Solution

The fourth proportional to 16,725.05, 25,088.94 and 8,400.78 is: 12,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,725.05 : 25,088.94 = 8,400.78 : x
  2. Step 2: Convert to fraction form
    16,725.05/25,088.94 = 8,400.78/x
  3. Step 3: Cross multiply
    16,725.05x = 25,088.94 × 8,400.78
  4. Step 4: Simplify right side
    16,725.05x = 210,766,665.37
  5. Step 5: Solve for x
    x = 210,766,665.37/16,725.05
  6. Step 6: Final answer
    x = 12,601.86

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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.