Home / 11,877.69-16,392.06-6,843.36

Finding the Fourth Proportional to 11,877.69, 16,392.06 and 6,843.36

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Solution

The fourth proportional to 11,877.69, 16,392.06 and 6,843.36 is: 9,444.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877.69 : 16,392.06 = 6,843.36 : x
  2. Step 2: Convert to fraction form
    11,877.69/16,392.06 = 6,843.36/x
  3. Step 3: Cross multiply
    11,877.69x = 16,392.06 × 6,843.36
  4. Step 4: Simplify right side
    11,877.69x = 112,176,767.72
  5. Step 5: Solve for x
    x = 112,176,767.72/11,877.69
  6. Step 6: Final answer
    x = 9,444.33

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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.