Home / 20,453.24-30,680.14-13,477.90

Finding the Fourth Proportional to 20,453.24, 30,680.14 and 13,477.90

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Solution

The fourth proportional to 20,453.24, 30,680.14 and 13,477.90 is: 20,217.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453.24 : 30,680.14 = 13,477.90 : x
  2. Step 2: Convert to fraction form
    20,453.24/30,680.14 = 13,477.90/x
  3. Step 3: Cross multiply
    20,453.24x = 30,680.14 × 13,477.90
  4. Step 4: Simplify right side
    20,453.24x = 413,503,858.91
  5. Step 5: Solve for x
    x = 413,503,858.91/20,453.24
  6. Step 6: Final answer
    x = 20,217.03

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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.