Home / 20,261.48-30,392.73-5,470.34

Finding the Fourth Proportional to 20,261.48, 30,392.73 and 5,470.34

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Solution

The fourth proportional to 20,261.48, 30,392.73 and 5,470.34 is: 8,205.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261.48 : 30,392.73 = 5,470.34 : x
  2. Step 2: Convert to fraction form
    20,261.48/30,392.73 = 5,470.34/x
  3. Step 3: Cross multiply
    20,261.48x = 30,392.73 × 5,470.34
  4. Step 4: Simplify right side
    20,261.48x = 166,258,414.66
  5. Step 5: Solve for x
    x = 166,258,414.66/20,261.48
  6. Step 6: Final answer
    x = 8,205.64

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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.