Home / 19,191.38-28,759.08-8,504.84

Finding the Fourth Proportional to 19,191.38, 28,759.08 and 8,504.84

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Solution

The fourth proportional to 19,191.38, 28,759.08 and 8,504.84 is: 12,744.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.38 : 28,759.08 = 8,504.84 : x
  2. Step 2: Convert to fraction form
    19,191.38/28,759.08 = 8,504.84/x
  3. Step 3: Cross multiply
    19,191.38x = 28,759.08 × 8,504.84
  4. Step 4: Simplify right side
    19,191.38x = 244,591,373.95
  5. Step 5: Solve for x
    x = 244,591,373.95/19,191.38
  6. Step 6: Final answer
    x = 12,744.86

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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.