Home / 20,453.13-30,679.73-5,662.09

Finding the Fourth Proportional to 20,453.13, 30,679.73 and 5,662.09

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Solution

The fourth proportional to 20,453.13, 30,679.73 and 5,662.09 is: 8,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453.13 : 30,679.73 = 5,662.09 : x
  2. Step 2: Convert to fraction form
    20,453.13/30,679.73 = 5,662.09/x
  3. Step 3: Cross multiply
    20,453.13x = 30,679.73 × 5,662.09
  4. Step 4: Simplify right side
    20,453.13x = 173,711,239.04
  5. Step 5: Solve for x
    x = 173,711,239.04/20,453.13
  6. Step 6: Final answer
    x = 8,493.14

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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.