Home / 12,788.48-19,141.82-6,850.58

Finding the Fourth Proportional to 12,788.48, 19,141.82 and 6,850.58

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Solution

The fourth proportional to 12,788.48, 19,141.82 and 6,850.58 is: 10,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788.48 : 19,141.82 = 6,850.58 : x
  2. Step 2: Convert to fraction form
    12,788.48/19,141.82 = 6,850.58/x
  3. Step 3: Cross multiply
    12,788.48x = 19,141.82 × 6,850.58
  4. Step 4: Simplify right side
    12,788.48x = 131,132,464.98
  5. Step 5: Solve for x
    x = 131,132,464.98/12,788.48
  6. Step 6: Final answer
    x = 10,253.95

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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.