Home / 10,778.57-16,167.85-3,383.60

Finding the Fourth Proportional to 10,778.57, 16,167.85 and 3,383.60

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Solution

The fourth proportional to 10,778.57, 16,167.85 and 3,383.60 is: 5,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.57 : 16,167.85 = 3,383.60 : x
  2. Step 2: Convert to fraction form
    10,778.57/16,167.85 = 3,383.60/x
  3. Step 3: Cross multiply
    10,778.57x = 16,167.85 × 3,383.60
  4. Step 4: Simplify right side
    10,778.57x = 54,705,537.26
  5. Step 5: Solve for x
    x = 54,705,537.26/10,778.57
  6. Step 6: Final answer
    x = 5,075.40

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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.