Home / 19,211.38-28,830.03-7,523.14

Finding the Fourth Proportional to 19,211.38, 28,830.03 and 7,523.14

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Solution

The fourth proportional to 19,211.38, 28,830.03 and 7,523.14 is: 11,289.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.38 : 28,830.03 = 7,523.14 : x
  2. Step 2: Convert to fraction form
    19,211.38/28,830.03 = 7,523.14/x
  3. Step 3: Cross multiply
    19,211.38x = 28,830.03 × 7,523.14
  4. Step 4: Simplify right side
    19,211.38x = 216,892,351.89
  5. Step 5: Solve for x
    x = 216,892,351.89/19,211.38
  6. Step 6: Final answer
    x = 11,289.79

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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.