Home / 15,879-23,811.68-6,512.52

Finding the Fourth Proportional to 15,879, 23,811.68 and 6,512.52

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Solution

The fourth proportional to 15,879, 23,811.68 and 6,512.52 is: 9,765.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879 : 23,811.68 = 6,512.52 : x
  2. Step 2: Convert to fraction form
    15,879/23,811.68 = 6,512.52/x
  3. Step 3: Cross multiply
    15,879x = 23,811.68 × 6,512.52
  4. Step 4: Simplify right side
    15,879x = 155,074,042.23
  5. Step 5: Solve for x
    x = 155,074,042.23/15,879
  6. Step 6: Final answer
    x = 9,765.98

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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.