Home / 18,288.87-27,423.03-5,806.56

Finding the Fourth Proportional to 18,288.87, 27,423.03 and 5,806.56

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Solution

The fourth proportional to 18,288.87, 27,423.03 and 5,806.56 is: 8,706.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.87 : 27,423.03 = 5,806.56 : x
  2. Step 2: Convert to fraction form
    18,288.87/27,423.03 = 5,806.56/x
  3. Step 3: Cross multiply
    18,288.87x = 27,423.03 × 5,806.56
  4. Step 4: Simplify right side
    18,288.87x = 159,233,469.08
  5. Step 5: Solve for x
    x = 159,233,469.08/18,288.87
  6. Step 6: Final answer
    x = 8,706.58

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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.