Home / 19,326.38-28,986.15-8,793.93

Finding the Fourth Proportional to 19,326.38, 28,986.15 and 8,793.93

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Solution

The fourth proportional to 19,326.38, 28,986.15 and 8,793.93 is: 13,189.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.38 : 28,986.15 = 8,793.93 : x
  2. Step 2: Convert to fraction form
    19,326.38/28,986.15 = 8,793.93/x
  3. Step 3: Cross multiply
    19,326.38x = 28,986.15 × 8,793.93
  4. Step 4: Simplify right side
    19,326.38x = 254,902,174.07
  5. Step 5: Solve for x
    x = 254,902,174.07/19,326.38
  6. Step 6: Final answer
    x = 13,189.34

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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.