Home / 19,240.39-28,863.47-6,758.21

Finding the Fourth Proportional to 19,240.39, 28,863.47 and 6,758.21

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Solution

The fourth proportional to 19,240.39, 28,863.47 and 6,758.21 is: 10,138.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.39 : 28,863.47 = 6,758.21 : x
  2. Step 2: Convert to fraction form
    19,240.39/28,863.47 = 6,758.21/x
  3. Step 3: Cross multiply
    19,240.39x = 28,863.47 × 6,758.21
  4. Step 4: Simplify right side
    19,240.39x = 195,065,357.80
  5. Step 5: Solve for x
    x = 195,065,357.80/19,240.39
  6. Step 6: Final answer
    x = 10,138.33

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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.