Home / 15,879.02-23,819.02-4,785.78

Finding the Fourth Proportional to 15,879.02, 23,819.02 and 4,785.78

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Solution

The fourth proportional to 15,879.02, 23,819.02 and 4,785.78 is: 7,178.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879.02 : 23,819.02 = 4,785.78 : x
  2. Step 2: Convert to fraction form
    15,879.02/23,819.02 = 4,785.78/x
  3. Step 3: Cross multiply
    15,879.02x = 23,819.02 × 4,785.78
  4. Step 4: Simplify right side
    15,879.02x = 113,992,589.54
  5. Step 5: Solve for x
    x = 113,992,589.54/15,879.02
  6. Step 6: Final answer
    x = 7,178.82

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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.