Home / 13,948.82-20,930.43-9,272.06

Finding the Fourth Proportional to 13,948.82, 20,930.43 and 9,272.06

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Solution

The fourth proportional to 13,948.82, 20,930.43 and 9,272.06 is: 13,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.82 : 20,930.43 = 9,272.06 : x
  2. Step 2: Convert to fraction form
    13,948.82/20,930.43 = 9,272.06/x
  3. Step 3: Cross multiply
    13,948.82x = 20,930.43 × 9,272.06
  4. Step 4: Simplify right side
    13,948.82x = 194,068,202.79
  5. Step 5: Solve for x
    x = 194,068,202.79/13,948.82
  6. Step 6: Final answer
    x = 13,912.88

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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.