Home / 12,843.43-19,270.71-4,529.39

Finding the Fourth Proportional to 12,843.43, 19,270.71 and 4,529.39

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Solution

The fourth proportional to 12,843.43, 19,270.71 and 4,529.39 is: 6,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,843.43 : 19,270.71 = 4,529.39 : x
  2. Step 2: Convert to fraction form
    12,843.43/19,270.71 = 4,529.39/x
  3. Step 3: Cross multiply
    12,843.43x = 19,270.71 × 4,529.39
  4. Step 4: Simplify right side
    12,843.43x = 87,284,561.17
  5. Step 5: Solve for x
    x = 87,284,561.17/12,843.43
  6. Step 6: Final answer
    x = 6,796.05

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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.