Home / 20,454.47-30,632.49-11,662.73

Finding the Fourth Proportional to 20,454.47, 30,632.49 and 11,662.73

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Solution

The fourth proportional to 20,454.47, 30,632.49 and 11,662.73 is: 17,466.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,454.47 : 30,632.49 = 11,662.73 : x
  2. Step 2: Convert to fraction form
    20,454.47/30,632.49 = 11,662.73/x
  3. Step 3: Cross multiply
    20,454.47x = 30,632.49 × 11,662.73
  4. Step 4: Simplify right side
    20,454.47x = 357,258,427.25
  5. Step 5: Solve for x
    x = 357,258,427.25/20,454.47
  6. Step 6: Final answer
    x = 17,466.03

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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.