Home / 12,246.04-18,369.87-3,811.38

Finding the Fourth Proportional to 12,246.04, 18,369.87 and 3,811.38

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Solution

The fourth proportional to 12,246.04, 18,369.87 and 3,811.38 is: 5,717.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.04 : 18,369.87 = 3,811.38 : x
  2. Step 2: Convert to fraction form
    12,246.04/18,369.87 = 3,811.38/x
  3. Step 3: Cross multiply
    12,246.04x = 18,369.87 × 3,811.38
  4. Step 4: Simplify right side
    12,246.04x = 70,014,555.12
  5. Step 5: Solve for x
    x = 70,014,555.12/12,246.04
  6. Step 6: Final answer
    x = 5,717.32

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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.