Home / 19,115.55-28,668.47-5,969.25

Finding the Fourth Proportional to 19,115.55, 28,668.47 and 5,969.25

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Solution

The fourth proportional to 19,115.55, 28,668.47 and 5,969.25 is: 8,952.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.55 : 28,668.47 = 5,969.25 : x
  2. Step 2: Convert to fraction form
    19,115.55/28,668.47 = 5,969.25/x
  3. Step 3: Cross multiply
    19,115.55x = 28,668.47 × 5,969.25
  4. Step 4: Simplify right side
    19,115.55x = 171,129,234.70
  5. Step 5: Solve for x
    x = 171,129,234.70/19,115.55
  6. Step 6: Final answer
    x = 8,952.36

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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.