Home / 18,571.50-27,855.30-5,244.18

Finding the Fourth Proportional to 18,571.50, 27,855.30 and 5,244.18

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Solution

The fourth proportional to 18,571.50, 27,855.30 and 5,244.18 is: 7,865.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.50 : 27,855.30 = 5,244.18 : x
  2. Step 2: Convert to fraction form
    18,571.50/27,855.30 = 5,244.18/x
  3. Step 3: Cross multiply
    18,571.50x = 27,855.30 × 5,244.18
  4. Step 4: Simplify right side
    18,571.50x = 146,078,207.15
  5. Step 5: Solve for x
    x = 146,078,207.15/18,571.50
  6. Step 6: Final answer
    x = 7,865.72

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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.