Home / 18,725.08-28,086.18-8,849.56

Finding the Fourth Proportional to 18,725.08, 28,086.18 and 8,849.56

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Solution

The fourth proportional to 18,725.08, 28,086.18 and 8,849.56 is: 13,273.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.08 : 28,086.18 = 8,849.56 : x
  2. Step 2: Convert to fraction form
    18,725.08/28,086.18 = 8,849.56/x
  3. Step 3: Cross multiply
    18,725.08x = 28,086.18 × 8,849.56
  4. Step 4: Simplify right side
    18,725.08x = 248,550,335.08
  5. Step 5: Solve for x
    x = 248,550,335.08/18,725.08
  6. Step 6: Final answer
    x = 13,273.66

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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.