Home / 13,168.22-19,749.40-3,806.19

Finding the Fourth Proportional to 13,168.22, 19,749.40 and 3,806.19

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Solution

The fourth proportional to 13,168.22, 19,749.40 and 3,806.19 is: 5,708.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168.22 : 19,749.40 = 3,806.19 : x
  2. Step 2: Convert to fraction form
    13,168.22/19,749.40 = 3,806.19/x
  3. Step 3: Cross multiply
    13,168.22x = 19,749.40 × 3,806.19
  4. Step 4: Simplify right side
    13,168.22x = 75,169,959.27
  5. Step 5: Solve for x
    x = 75,169,959.27/13,168.22
  6. Step 6: Final answer
    x = 5,708.44

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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.