Home / 19,188.41-28,790.96-6,717.38

Finding the Fourth Proportional to 19,188.41, 28,790.96 and 6,717.38

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Solution

The fourth proportional to 19,188.41, 28,790.96 and 6,717.38 is: 10,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.41 : 28,790.96 = 6,717.38 : x
  2. Step 2: Convert to fraction form
    19,188.41/28,790.96 = 6,717.38/x
  3. Step 3: Cross multiply
    19,188.41x = 28,790.96 × 6,717.38
  4. Step 4: Simplify right side
    19,188.41x = 193,399,641.34
  5. Step 5: Solve for x
    x = 193,399,641.34/19,188.41
  6. Step 6: Final answer
    x = 10,078.98

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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.