Home / 19,179.38-28,777.46-6,708.38

Finding the Fourth Proportional to 19,179.38, 28,777.46 and 6,708.38

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Solution

The fourth proportional to 19,179.38, 28,777.46 and 6,708.38 is: 10,065.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.38 : 28,777.46 = 6,708.38 : x
  2. Step 2: Convert to fraction form
    19,179.38/28,777.46 = 6,708.38/x
  3. Step 3: Cross multiply
    19,179.38x = 28,777.46 × 6,708.38
  4. Step 4: Simplify right side
    19,179.38x = 193,049,959.69
  5. Step 5: Solve for x
    x = 193,049,959.69/19,179.38
  6. Step 6: Final answer
    x = 10,065.49

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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.