Home / 13,270.39-19,891.62-6,682.74

Finding the Fourth Proportional to 13,270.39, 19,891.62 and 6,682.74

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Solution

The fourth proportional to 13,270.39, 19,891.62 and 6,682.74 is: 10,017.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.39 : 19,891.62 = 6,682.74 : x
  2. Step 2: Convert to fraction form
    13,270.39/19,891.62 = 6,682.74/x
  3. Step 3: Cross multiply
    13,270.39x = 19,891.62 × 6,682.74
  4. Step 4: Simplify right side
    13,270.39x = 132,930,466.33
  5. Step 5: Solve for x
    x = 132,930,466.33/13,270.39
  6. Step 6: Final answer
    x = 10,017.07

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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.