Home / 13,256.21-19,884.46-3,395.22

Finding the Fourth Proportional to 13,256.21, 19,884.46 and 3,395.22

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Solution

The fourth proportional to 13,256.21, 19,884.46 and 3,395.22 is: 5,092.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.21 : 19,884.46 = 3,395.22 : x
  2. Step 2: Convert to fraction form
    13,256.21/19,884.46 = 3,395.22/x
  3. Step 3: Cross multiply
    13,256.21x = 19,884.46 × 3,395.22
  4. Step 4: Simplify right side
    13,256.21x = 67,512,116.28
  5. Step 5: Solve for x
    x = 67,512,116.28/13,256.21
  6. Step 6: Final answer
    x = 5,092.87

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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.