Home / 13,256.05-19,883.97-3,395.30

Finding the Fourth Proportional to 13,256.05, 19,883.97 and 3,395.30

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Solution

The fourth proportional to 13,256.05, 19,883.97 and 3,395.30 is: 5,092.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.05 : 19,883.97 = 3,395.30 : x
  2. Step 2: Convert to fraction form
    13,256.05/19,883.97 = 3,395.30/x
  3. Step 3: Cross multiply
    13,256.05x = 19,883.97 × 3,395.30
  4. Step 4: Simplify right side
    13,256.05x = 67,512,043.34
  5. Step 5: Solve for x
    x = 67,512,043.34/13,256.05
  6. Step 6: Final answer
    x = 5,092.92

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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.