Home / 19,286.06-28,927.86-6,147.86

Finding the Fourth Proportional to 19,286.06, 28,927.86 and 6,147.86

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Solution

The fourth proportional to 19,286.06, 28,927.86 and 6,147.86 is: 9,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.06 : 28,927.86 = 6,147.86 : x
  2. Step 2: Convert to fraction form
    19,286.06/28,927.86 = 6,147.86/x
  3. Step 3: Cross multiply
    19,286.06x = 28,927.86 × 6,147.86
  4. Step 4: Simplify right side
    19,286.06x = 177,844,433.38
  5. Step 5: Solve for x
    x = 177,844,433.38/19,286.06
  6. Step 6: Final answer
    x = 9,221.40

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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.