Home / 12,309.23-18,467.09-3,544.85

Finding the Fourth Proportional to 12,309.23, 18,467.09 and 3,544.85

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Solution

The fourth proportional to 12,309.23, 18,467.09 and 3,544.85 is: 5,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,309.23 : 18,467.09 = 3,544.85 : x
  2. Step 2: Convert to fraction form
    12,309.23/18,467.09 = 3,544.85/x
  3. Step 3: Cross multiply
    12,309.23x = 18,467.09 × 3,544.85
  4. Step 4: Simplify right side
    12,309.23x = 65,462,953.93
  5. Step 5: Solve for x
    x = 65,462,953.93/12,309.23
  6. Step 6: Final answer
    x = 5,318.20

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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.