Home / 18,984.30-28,482.22-8,996.69

Finding the Fourth Proportional to 18,984.30, 28,482.22 and 8,996.69

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Solution

The fourth proportional to 18,984.30, 28,482.22 and 8,996.69 is: 13,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.30 : 28,482.22 = 8,996.69 : x
  2. Step 2: Convert to fraction form
    18,984.30/28,482.22 = 8,996.69/x
  3. Step 3: Cross multiply
    18,984.30x = 28,482.22 × 8,996.69
  4. Step 4: Simplify right side
    18,984.30x = 256,245,786.30
  5. Step 5: Solve for x
    x = 256,245,786.30/18,984.30
  6. Step 6: Final answer
    x = 13,497.78

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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.