Home / 17,869.82-26,770.89-11,928.79

Finding the Fourth Proportional to 17,869.82, 26,770.89 and 11,928.79

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Solution

The fourth proportional to 17,869.82, 26,770.89 and 11,928.79 is: 17,870.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,869.82 : 26,770.89 = 11,928.79 : x
  2. Step 2: Convert to fraction form
    17,869.82/26,770.89 = 11,928.79/x
  3. Step 3: Cross multiply
    17,869.82x = 26,770.89 × 11,928.79
  4. Step 4: Simplify right side
    17,869.82x = 319,344,258.00
  5. Step 5: Solve for x
    x = 319,344,258.00/17,869.82
  6. Step 6: Final answer
    x = 17,870.59

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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.