Home / 13,336.24-19,975.20-8,126.32

Finding the Fourth Proportional to 13,336.24, 19,975.20 and 8,126.32

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Solution

The fourth proportional to 13,336.24, 19,975.20 and 8,126.32 is: 12,171.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.24 : 19,975.20 = 8,126.32 : x
  2. Step 2: Convert to fraction form
    13,336.24/19,975.20 = 8,126.32/x
  3. Step 3: Cross multiply
    13,336.24x = 19,975.20 × 8,126.32
  4. Step 4: Simplify right side
    13,336.24x = 162,324,867.26
  5. Step 5: Solve for x
    x = 162,324,867.26/13,336.24
  6. Step 6: Final answer
    x = 12,171.71

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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.