Home / 11,178.16-16,756.81-3,777.44

Finding the Fourth Proportional to 11,178.16, 16,756.81 and 3,777.44

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Solution

The fourth proportional to 11,178.16, 16,756.81 and 3,777.44 is: 5,662.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.16 : 16,756.81 = 3,777.44 : x
  2. Step 2: Convert to fraction form
    11,178.16/16,756.81 = 3,777.44/x
  3. Step 3: Cross multiply
    11,178.16x = 16,756.81 × 3,777.44
  4. Step 4: Simplify right side
    11,178.16x = 63,297,844.37
  5. Step 5: Solve for x
    x = 63,297,844.37/11,178.16
  6. Step 6: Final answer
    x = 5,662.64

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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.