Home / 20,261.73-30,392.55-5,470.65

Finding the Fourth Proportional to 20,261.73, 30,392.55 and 5,470.65

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Solution

The fourth proportional to 20,261.73, 30,392.55 and 5,470.65 is: 8,205.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261.73 : 30,392.55 = 5,470.65 : x
  2. Step 2: Convert to fraction form
    20,261.73/30,392.55 = 5,470.65/x
  3. Step 3: Cross multiply
    20,261.73x = 30,392.55 × 5,470.65
  4. Step 4: Simplify right side
    20,261.73x = 166,267,003.66
  5. Step 5: Solve for x
    x = 166,267,003.66/20,261.73
  6. Step 6: Final answer
    x = 8,205.96

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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.