Home / 16,940.79-25,399.85-6,540.39

Finding the Fourth Proportional to 16,940.79, 25,399.85 and 6,540.39

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Solution

The fourth proportional to 16,940.79, 25,399.85 and 6,540.39 is: 9,806.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940.79 : 25,399.85 = 6,540.39 : x
  2. Step 2: Convert to fraction form
    16,940.79/25,399.85 = 6,540.39/x
  3. Step 3: Cross multiply
    16,940.79x = 25,399.85 × 6,540.39
  4. Step 4: Simplify right side
    16,940.79x = 166,124,892.24
  5. Step 5: Solve for x
    x = 166,124,892.24/16,940.79
  6. Step 6: Final answer
    x = 9,806.21

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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.