Home / 13,407.26-20,106.97-5,081.27

Finding the Fourth Proportional to 13,407.26, 20,106.97 and 5,081.27

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Solution

The fourth proportional to 13,407.26, 20,106.97 and 5,081.27 is: 7,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407.26 : 20,106.97 = 5,081.27 : x
  2. Step 2: Convert to fraction form
    13,407.26/20,106.97 = 5,081.27/x
  3. Step 3: Cross multiply
    13,407.26x = 20,106.97 × 5,081.27
  4. Step 4: Simplify right side
    13,407.26x = 102,168,830.21
  5. Step 5: Solve for x
    x = 102,168,830.21/13,407.26
  6. Step 6: Final answer
    x = 7,620.41

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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.