Home / 20,294.63-30,450.60-11,399.22

Finding the Fourth Proportional to 20,294.63, 30,450.60 and 11,399.22

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Solution

The fourth proportional to 20,294.63, 30,450.60 and 11,399.22 is: 17,103.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294.63 : 30,450.60 = 11,399.22 : x
  2. Step 2: Convert to fraction form
    20,294.63/30,450.60 = 11,399.22/x
  3. Step 3: Cross multiply
    20,294.63x = 30,450.60 × 11,399.22
  4. Step 4: Simplify right side
    20,294.63x = 347,113,244.42
  5. Step 5: Solve for x
    x = 347,113,244.42/20,294.63
  6. Step 6: Final answer
    x = 17,103.70

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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.