Home / 13,293.44-19,934.14-3,930.22

Finding the Fourth Proportional to 13,293.44, 19,934.14 and 3,930.22

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Solution

The fourth proportional to 13,293.44, 19,934.14 and 3,930.22 is: 5,893.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.44 : 19,934.14 = 3,930.22 : x
  2. Step 2: Convert to fraction form
    13,293.44/19,934.14 = 3,930.22/x
  3. Step 3: Cross multiply
    13,293.44x = 19,934.14 × 3,930.22
  4. Step 4: Simplify right side
    13,293.44x = 78,345,555.71
  5. Step 5: Solve for x
    x = 78,345,555.71/13,293.44
  6. Step 6: Final answer
    x = 5,893.55

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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.