Home / 18,984.30-28,476.90-5,836.79

Finding the Fourth Proportional to 18,984.30, 28,476.90 and 5,836.79

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Solution

The fourth proportional to 18,984.30, 28,476.90 and 5,836.79 is: 8,755.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.30 : 28,476.90 = 5,836.79 : x
  2. Step 2: Convert to fraction form
    18,984.30/28,476.90 = 5,836.79/x
  3. Step 3: Cross multiply
    18,984.30x = 28,476.90 × 5,836.79
  4. Step 4: Simplify right side
    18,984.30x = 166,213,685.15
  5. Step 5: Solve for x
    x = 166,213,685.15/18,984.30
  6. Step 6: Final answer
    x = 8,755.32

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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.