Home / 13,198.13-19,797.80-3,337.49

Finding the Fourth Proportional to 13,198.13, 19,797.80 and 3,337.49

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Solution

The fourth proportional to 13,198.13, 19,797.80 and 3,337.49 is: 5,006.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198.13 : 19,797.80 = 3,337.49 : x
  2. Step 2: Convert to fraction form
    13,198.13/19,797.80 = 3,337.49/x
  3. Step 3: Cross multiply
    13,198.13x = 19,797.80 × 3,337.49
  4. Step 4: Simplify right side
    13,198.13x = 66,074,959.52
  5. Step 5: Solve for x
    x = 66,074,959.52/13,198.13
  6. Step 6: Final answer
    x = 5,006.39

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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.