Home / 15,910.45-23,865.45-5,378.23

Finding the Fourth Proportional to 15,910.45, 23,865.45 and 5,378.23

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Solution

The fourth proportional to 15,910.45, 23,865.45 and 5,378.23 is: 8,067.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,910.45 : 23,865.45 = 5,378.23 : x
  2. Step 2: Convert to fraction form
    15,910.45/23,865.45 = 5,378.23/x
  3. Step 3: Cross multiply
    15,910.45x = 23,865.45 × 5,378.23
  4. Step 4: Simplify right side
    15,910.45x = 128,353,879.15
  5. Step 5: Solve for x
    x = 128,353,879.15/15,910.45
  6. Step 6: Final answer
    x = 8,067.27

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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.