Home / 15,879.45-23,786.88-10,315.92

Finding the Fourth Proportional to 15,879.45, 23,786.88 and 10,315.92

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Solution

The fourth proportional to 15,879.45, 23,786.88 and 10,315.92 is: 15,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879.45 : 23,786.88 = 10,315.92 : x
  2. Step 2: Convert to fraction form
    15,879.45/23,786.88 = 10,315.92/x
  3. Step 3: Cross multiply
    15,879.45x = 23,786.88 × 10,315.92
  4. Step 4: Simplify right side
    15,879.45x = 245,383,551.13
  5. Step 5: Solve for x
    x = 245,383,551.13/15,879.45
  6. Step 6: Final answer
    x = 15,452.90

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1.5x scale

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.