Home / 18,330.87-27,496.32-6,485.85

Finding the Fourth Proportional to 18,330.87, 27,496.32 and 6,485.85

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Solution

The fourth proportional to 18,330.87, 27,496.32 and 6,485.85 is: 9,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.87 : 27,496.32 = 6,485.85 : x
  2. Step 2: Convert to fraction form
    18,330.87/27,496.32 = 6,485.85/x
  3. Step 3: Cross multiply
    18,330.87x = 27,496.32 × 6,485.85
  4. Step 4: Simplify right side
    18,330.87x = 178,337,007.07
  5. Step 5: Solve for x
    x = 178,337,007.07/18,330.87
  6. Step 6: Final answer
    x = 9,728.78

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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.