Home / 14,618.90-21,912.15-8,049.80

Finding the Fourth Proportional to 14,618.90, 21,912.15 and 8,049.80

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Solution

The fourth proportional to 14,618.90, 21,912.15 and 8,049.80 is: 12,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.90 : 21,912.15 = 8,049.80 : x
  2. Step 2: Convert to fraction form
    14,618.90/21,912.15 = 8,049.80/x
  3. Step 3: Cross multiply
    14,618.90x = 21,912.15 × 8,049.80
  4. Step 4: Simplify right side
    14,618.90x = 176,388,425.07
  5. Step 5: Solve for x
    x = 176,388,425.07/14,618.90
  6. Step 6: Final answer
    x = 12,065.78

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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.