Home / 19,110.30-28,668.15-5,961.30

Finding the Fourth Proportional to 19,110.30, 28,668.15 and 5,961.30

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Solution

The fourth proportional to 19,110.30, 28,668.15 and 5,961.30 is: 8,942.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.30 : 28,668.15 = 5,961.30 : x
  2. Step 2: Convert to fraction form
    19,110.30/28,668.15 = 5,961.30/x
  3. Step 3: Cross multiply
    19,110.30x = 28,668.15 × 5,961.30
  4. Step 4: Simplify right side
    19,110.30x = 170,899,442.60
  5. Step 5: Solve for x
    x = 170,899,442.60/19,110.30
  6. Step 6: Final answer
    x = 8,942.79

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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.