Home / 12,100.44-18,145.08-3,777.96

Finding the Fourth Proportional to 12,100.44, 18,145.08 and 3,777.96

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Solution

The fourth proportional to 12,100.44, 18,145.08 and 3,777.96 is: 5,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100.44 : 18,145.08 = 3,777.96 : x
  2. Step 2: Convert to fraction form
    12,100.44/18,145.08 = 3,777.96/x
  3. Step 3: Cross multiply
    12,100.44x = 18,145.08 × 3,777.96
  4. Step 4: Simplify right side
    12,100.44x = 68,551,386.44
  5. Step 5: Solve for x
    x = 68,551,386.44/12,100.44
  6. Step 6: Final answer
    x = 5,665.20

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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.