Home / 18,516.87-25,553.17-10,558.92

Finding the Fourth Proportional to 18,516.87, 25,553.17 and 10,558.92

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Solution

The fourth proportional to 18,516.87, 25,553.17 and 10,558.92 is: 14,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.87 : 25,553.17 = 10,558.92 : x
  2. Step 2: Convert to fraction form
    18,516.87/25,553.17 = 10,558.92/x
  3. Step 3: Cross multiply
    18,516.87x = 25,553.17 × 10,558.92
  4. Step 4: Simplify right side
    18,516.87x = 269,813,986.80
  5. Step 5: Solve for x
    x = 269,813,986.80/18,516.87
  6. Step 6: Final answer
    x = 14,571.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.