Home / 13,387.68-20,081.57-4,027.73

Finding the Fourth Proportional to 13,387.68, 20,081.57 and 4,027.73

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Solution

The fourth proportional to 13,387.68, 20,081.57 and 4,027.73 is: 6,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387.68 : 20,081.57 = 4,027.73 : x
  2. Step 2: Convert to fraction form
    13,387.68/20,081.57 = 4,027.73/x
  3. Step 3: Cross multiply
    13,387.68x = 20,081.57 × 4,027.73
  4. Step 4: Simplify right side
    13,387.68x = 80,883,044.05
  5. Step 5: Solve for x
    x = 80,883,044.05/13,387.68
  6. Step 6: Final answer
    x = 6,041.60

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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.