Home / 12,254.44-18,384.74-3,935.20

Finding the Fourth Proportional to 12,254.44, 18,384.74 and 3,935.20

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Solution

The fourth proportional to 12,254.44, 18,384.74 and 3,935.20 is: 5,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.44 : 18,384.74 = 3,935.20 : x
  2. Step 2: Convert to fraction form
    12,254.44/18,384.74 = 3,935.20/x
  3. Step 3: Cross multiply
    12,254.44x = 18,384.74 × 3,935.20
  4. Step 4: Simplify right side
    12,254.44x = 72,347,628.85
  5. Step 5: Solve for x
    x = 72,347,628.85/12,254.44
  6. Step 6: Final answer
    x = 5,903.79

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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.