Home / 12,846.39-19,269.53-4,081.98

Finding the Fourth Proportional to 12,846.39, 19,269.53 and 4,081.98

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Solution

The fourth proportional to 12,846.39, 19,269.53 and 4,081.98 is: 6,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846.39 : 19,269.53 = 4,081.98 : x
  2. Step 2: Convert to fraction form
    12,846.39/19,269.53 = 4,081.98/x
  3. Step 3: Cross multiply
    12,846.39x = 19,269.53 × 4,081.98
  4. Step 4: Simplify right side
    12,846.39x = 78,657,815.66
  5. Step 5: Solve for x
    x = 78,657,815.66/12,846.39
  6. Step 6: Final answer
    x = 6,122.95

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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.