Home / 10,778.36-16,174.92-4,204.60

Finding the Fourth Proportional to 10,778.36, 16,174.92 and 4,204.60

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Solution

The fourth proportional to 10,778.36, 16,174.92 and 4,204.60 is: 6,309.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.36 : 16,174.92 = 4,204.60 : x
  2. Step 2: Convert to fraction form
    10,778.36/16,174.92 = 4,204.60/x
  3. Step 3: Cross multiply
    10,778.36x = 16,174.92 × 4,204.60
  4. Step 4: Simplify right side
    10,778.36x = 68,009,068.63
  5. Step 5: Solve for x
    x = 68,009,068.63/10,778.36
  6. Step 6: Final answer
    x = 6,309.78

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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.