Home / 12,309.07-18,464.42-3,544.06

Finding the Fourth Proportional to 12,309.07, 18,464.42 and 3,544.06

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Solution

The fourth proportional to 12,309.07, 18,464.42 and 3,544.06 is: 5,316.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,309.07 : 18,464.42 = 3,544.06 : x
  2. Step 2: Convert to fraction form
    12,309.07/18,464.42 = 3,544.06/x
  3. Step 3: Cross multiply
    12,309.07x = 18,464.42 × 3,544.06
  4. Step 4: Simplify right side
    12,309.07x = 65,439,012.35
  5. Step 5: Solve for x
    x = 65,439,012.35/12,309.07
  6. Step 6: Final answer
    x = 5,316.32

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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.