Home / 19,190.76-28,758.14-8,504.22

Finding the Fourth Proportional to 19,190.76, 28,758.14 and 8,504.22

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Solution

The fourth proportional to 19,190.76, 28,758.14 and 8,504.22 is: 12,743.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.76 : 28,758.14 = 8,504.22 : x
  2. Step 2: Convert to fraction form
    19,190.76/28,758.14 = 8,504.22/x
  3. Step 3: Cross multiply
    19,190.76x = 28,758.14 × 8,504.22
  4. Step 4: Simplify right side
    19,190.76x = 244,565,646.56
  5. Step 5: Solve for x
    x = 244,565,646.56/19,190.76
  6. Step 6: Final answer
    x = 12,743.93

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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.