Home / 13,516.07-20,268.93-6,494.09

Finding the Fourth Proportional to 13,516.07, 20,268.93 and 6,494.09

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Solution

The fourth proportional to 13,516.07, 20,268.93 and 6,494.09 is: 9,738.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.07 : 20,268.93 = 6,494.09 : x
  2. Step 2: Convert to fraction form
    13,516.07/20,268.93 = 6,494.09/x
  3. Step 3: Cross multiply
    13,516.07x = 20,268.93 × 6,494.09
  4. Step 4: Simplify right side
    13,516.07x = 131,628,255.62
  5. Step 5: Solve for x
    x = 131,628,255.62/13,516.07
  6. Step 6: Final answer
    x = 9,738.65

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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.