Home / 19,306.94-28,962.79-6,824.39

Finding the Fourth Proportional to 19,306.94, 28,962.79 and 6,824.39

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Solution

The fourth proportional to 19,306.94, 28,962.79 and 6,824.39 is: 10,237.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306.94 : 28,962.79 = 6,824.39 : x
  2. Step 2: Convert to fraction form
    19,306.94/28,962.79 = 6,824.39/x
  3. Step 3: Cross multiply
    19,306.94x = 28,962.79 × 6,824.39
  4. Step 4: Simplify right side
    19,306.94x = 197,653,212.57
  5. Step 5: Solve for x
    x = 197,653,212.57/19,306.94
  6. Step 6: Final answer
    x = 10,237.42

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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.