Home / 19,087.44-28,584.96-9,702.78

Finding the Fourth Proportional to 19,087.44, 28,584.96 and 9,702.78

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Solution

The fourth proportional to 19,087.44, 28,584.96 and 9,702.78 is: 14,530.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087.44 : 28,584.96 = 9,702.78 : x
  2. Step 2: Convert to fraction form
    19,087.44/28,584.96 = 9,702.78/x
  3. Step 3: Cross multiply
    19,087.44x = 28,584.96 × 9,702.78
  4. Step 4: Simplify right side
    19,087.44x = 277,353,578.19
  5. Step 5: Solve for x
    x = 277,353,578.19/19,087.44
  6. Step 6: Final answer
    x = 14,530.69

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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.