Home / 20,087.73-30,141.85-8,250.59

Finding the Fourth Proportional to 20,087.73, 30,141.85 and 8,250.59

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Solution

The fourth proportional to 20,087.73, 30,141.85 and 8,250.59 is: 12,380.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087.73 : 30,141.85 = 8,250.59 : x
  2. Step 2: Convert to fraction form
    20,087.73/30,141.85 = 8,250.59/x
  3. Step 3: Cross multiply
    20,087.73x = 30,141.85 × 8,250.59
  4. Step 4: Simplify right side
    20,087.73x = 248,688,100.92
  5. Step 5: Solve for x
    x = 248,688,100.92/20,087.73
  6. Step 6: Final answer
    x = 12,380.10

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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.