Home / 20,289.24-30,433.06-9,195.88

Finding the Fourth Proportional to 20,289.24, 30,433.06 and 9,195.88

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Solution

The fourth proportional to 20,289.24, 30,433.06 and 9,195.88 is: 13,793.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,289.24 : 30,433.06 = 9,195.88 : x
  2. Step 2: Convert to fraction form
    20,289.24/30,433.06 = 9,195.88/x
  3. Step 3: Cross multiply
    20,289.24x = 30,433.06 × 9,195.88
  4. Step 4: Simplify right side
    20,289.24x = 279,858,767.79
  5. Step 5: Solve for x
    x = 279,858,767.79/20,289.24
  6. Step 6: Final answer
    x = 13,793.46

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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.