Home / 18,694.34-28,016.60-8,836.24

Finding the Fourth Proportional to 18,694.34, 28,016.60 and 8,836.24

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Solution

The fourth proportional to 18,694.34, 28,016.60 and 8,836.24 is: 13,242.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.34 : 28,016.60 = 8,836.24 : x
  2. Step 2: Convert to fraction form
    18,694.34/28,016.60 = 8,836.24/x
  3. Step 3: Cross multiply
    18,694.34x = 28,016.60 × 8,836.24
  4. Step 4: Simplify right side
    18,694.34x = 247,561,401.58
  5. Step 5: Solve for x
    x = 247,561,401.58/18,694.34
  6. Step 6: Final answer
    x = 13,242.59

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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.