Home / 11,643.69-16,067.79-6,338.55

Finding the Fourth Proportional to 11,643.69, 16,067.79 and 6,338.55

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Solution

The fourth proportional to 11,643.69, 16,067.79 and 6,338.55 is: 8,746.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,643.69 : 16,067.79 = 6,338.55 : x
  2. Step 2: Convert to fraction form
    11,643.69/16,067.79 = 6,338.55/x
  3. Step 3: Cross multiply
    11,643.69x = 16,067.79 × 6,338.55
  4. Step 4: Simplify right side
    11,643.69x = 101,846,490.30
  5. Step 5: Solve for x
    x = 101,846,490.30/11,643.69
  6. Step 6: Final answer
    x = 8,746.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.