Home / 10,778.67-16,168.19-3,852.99

Finding the Fourth Proportional to 10,778.67, 16,168.19 and 3,852.99

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Solution

The fourth proportional to 10,778.67, 16,168.19 and 3,852.99 is: 5,779.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.67 : 16,168.19 = 3,852.99 : x
  2. Step 2: Convert to fraction form
    10,778.67/16,168.19 = 3,852.99/x
  3. Step 3: Cross multiply
    10,778.67x = 16,168.19 × 3,852.99
  4. Step 4: Simplify right side
    10,778.67x = 62,295,855.12
  5. Step 5: Solve for x
    x = 62,295,855.12/10,778.67
  6. Step 6: Final answer
    x = 5,779.55

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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.