Home / 18,620.04-27,915.24-6,771.96

Finding the Fourth Proportional to 18,620.04, 27,915.24 and 6,771.96

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Solution

The fourth proportional to 18,620.04, 27,915.24 and 6,771.96 is: 10,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,620.04 : 27,915.24 = 6,771.96 : x
  2. Step 2: Convert to fraction form
    18,620.04/27,915.24 = 6,771.96/x
  3. Step 3: Cross multiply
    18,620.04x = 27,915.24 × 6,771.96
  4. Step 4: Simplify right side
    18,620.04x = 189,040,888.67
  5. Step 5: Solve for x
    x = 189,040,888.67/18,620.04
  6. Step 6: Final answer
    x = 10,152.55

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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.