Home / 15,025.87-22,518.89-7,990.73

Finding the Fourth Proportional to 15,025.87, 22,518.89 and 7,990.73

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Solution

The fourth proportional to 15,025.87, 22,518.89 and 7,990.73 is: 11,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,025.87 : 22,518.89 = 7,990.73 : x
  2. Step 2: Convert to fraction form
    15,025.87/22,518.89 = 7,990.73/x
  3. Step 3: Cross multiply
    15,025.87x = 22,518.89 × 7,990.73
  4. Step 4: Simplify right side
    15,025.87x = 179,942,503.37
  5. Step 5: Solve for x
    x = 179,942,503.37/15,025.87
  6. Step 6: Final answer
    x = 11,975.51

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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.