Home / 20,441.52-30,601.17-12,519.09

Finding the Fourth Proportional to 20,441.52, 30,601.17 and 12,519.09

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Solution

The fourth proportional to 20,441.52, 30,601.17 and 12,519.09 is: 18,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441.52 : 30,601.17 = 12,519.09 : x
  2. Step 2: Convert to fraction form
    20,441.52/30,601.17 = 12,519.09/x
  3. Step 3: Cross multiply
    20,441.52x = 30,601.17 × 12,519.09
  4. Step 4: Simplify right side
    20,441.52x = 383,098,801.34
  5. Step 5: Solve for x
    x = 383,098,801.34/20,441.52
  6. Step 6: Final answer
    x = 18,741.21

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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.