Home / 16,778.58-25,167.66-6,783.18

Finding the Fourth Proportional to 16,778.58, 25,167.66 and 6,783.18

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Solution

The fourth proportional to 16,778.58, 25,167.66 and 6,783.18 is: 10,174.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.58 : 25,167.66 = 6,783.18 : x
  2. Step 2: Convert to fraction form
    16,778.58/25,167.66 = 6,783.18/x
  3. Step 3: Cross multiply
    16,778.58x = 25,167.66 × 6,783.18
  4. Step 4: Simplify right side
    16,778.58x = 170,716,767.96
  5. Step 5: Solve for x
    x = 170,716,767.96/16,778.58
  6. Step 6: Final answer
    x = 10,174.69

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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.