Home / 11,928.06-16,460.82-6,622.97

Finding the Fourth Proportional to 11,928.06, 16,460.82 and 6,622.97

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Solution

The fourth proportional to 11,928.06, 16,460.82 and 6,622.97 is: 9,139.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.06 : 16,460.82 = 6,622.97 : x
  2. Step 2: Convert to fraction form
    11,928.06/16,460.82 = 6,622.97/x
  3. Step 3: Cross multiply
    11,928.06x = 16,460.82 × 6,622.97
  4. Step 4: Simplify right side
    11,928.06x = 109,019,434.73
  5. Step 5: Solve for x
    x = 109,019,434.73/11,928.06
  6. Step 6: Final answer
    x = 9,139.75

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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.