Home / 20,195.03-30,292.56-9,662.57

Finding the Fourth Proportional to 20,195.03, 30,292.56 and 9,662.57

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Solution

The fourth proportional to 20,195.03, 30,292.56 and 9,662.57 is: 14,493.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.03 : 30,292.56 = 9,662.57 : x
  2. Step 2: Convert to fraction form
    20,195.03/30,292.56 = 9,662.57/x
  3. Step 3: Cross multiply
    20,195.03x = 30,292.56 × 9,662.57
  4. Step 4: Simplify right side
    20,195.03x = 292,703,830.02
  5. Step 5: Solve for x
    x = 292,703,830.02/20,195.03
  6. Step 6: Final answer
    x = 14,493.86

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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.