Home / 18,485.37-27,724.98-5,334.21

Finding the Fourth Proportional to 18,485.37, 27,724.98 and 5,334.21

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Solution

The fourth proportional to 18,485.37, 27,724.98 and 5,334.21 is: 8,000.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485.37 : 27,724.98 = 5,334.21 : x
  2. Step 2: Convert to fraction form
    18,485.37/27,724.98 = 5,334.21/x
  3. Step 3: Cross multiply
    18,485.37x = 27,724.98 × 5,334.21
  4. Step 4: Simplify right side
    18,485.37x = 147,890,865.57
  5. Step 5: Solve for x
    x = 147,890,865.57/18,485.37
  6. Step 6: Final answer
    x = 8,000.43

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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.