Home / 12,965.88-19,444.74-4,198.76

Finding the Fourth Proportional to 12,965.88, 19,444.74 and 4,198.76

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Solution

The fourth proportional to 12,965.88, 19,444.74 and 4,198.76 is: 6,296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,965.88 : 19,444.74 = 4,198.76 : x
  2. Step 2: Convert to fraction form
    12,965.88/19,444.74 = 4,198.76/x
  3. Step 3: Cross multiply
    12,965.88x = 19,444.74 × 4,198.76
  4. Step 4: Simplify right side
    12,965.88x = 81,643,796.52
  5. Step 5: Solve for x
    x = 81,643,796.52/12,965.88
  6. Step 6: Final answer
    x = 6,296.82

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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.