Home / 19,198.35-28,798.74-6,717.87

Finding the Fourth Proportional to 19,198.35, 28,798.74 and 6,717.87

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Solution

The fourth proportional to 19,198.35, 28,798.74 and 6,717.87 is: 10,077.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.35 : 28,798.74 = 6,717.87 : x
  2. Step 2: Convert to fraction form
    19,198.35/28,798.74 = 6,717.87/x
  3. Step 3: Cross multiply
    19,198.35x = 28,798.74 × 6,717.87
  4. Step 4: Simplify right side
    19,198.35x = 193,466,191.48
  5. Step 5: Solve for x
    x = 193,466,191.48/19,198.35
  6. Step 6: Final answer
    x = 10,077.23

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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.