Home / 14,847.75-20,489.30-8,882.72

Finding the Fourth Proportional to 14,847.75, 20,489.30 and 8,882.72

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Solution

The fourth proportional to 14,847.75, 20,489.30 and 8,882.72 is: 12,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,847.75 : 20,489.30 = 8,882.72 : x
  2. Step 2: Convert to fraction form
    14,847.75/20,489.30 = 8,882.72/x
  3. Step 3: Cross multiply
    14,847.75x = 20,489.30 × 8,882.72
  4. Step 4: Simplify right side
    14,847.75x = 182,000,568.04
  5. Step 5: Solve for x
    x = 182,000,568.04/14,847.75
  6. Step 6: Final answer
    x = 12,257.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.