Home / 19,293.68-28,933.16-6,811.38

Finding the Fourth Proportional to 19,293.68, 28,933.16 and 6,811.38

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Solution

The fourth proportional to 19,293.68, 28,933.16 and 6,811.38 is: 10,214.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.68 : 28,933.16 = 6,811.38 : x
  2. Step 2: Convert to fraction form
    19,293.68/28,933.16 = 6,811.38/x
  3. Step 3: Cross multiply
    19,293.68x = 28,933.16 × 6,811.38
  4. Step 4: Simplify right side
    19,293.68x = 197,074,747.36
  5. Step 5: Solve for x
    x = 197,074,747.36/19,293.68
  6. Step 6: Final answer
    x = 10,214.47

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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.