Home / 13,026.80-19,540.22-9,148.52

Finding the Fourth Proportional to 13,026.80, 19,540.22 and 9,148.52

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Solution

The fourth proportional to 13,026.80, 19,540.22 and 9,148.52 is: 13,722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.80 : 19,540.22 = 9,148.52 : x
  2. Step 2: Convert to fraction form
    13,026.80/19,540.22 = 9,148.52/x
  3. Step 3: Cross multiply
    13,026.80x = 19,540.22 × 9,148.52
  4. Step 4: Simplify right side
    13,026.80x = 178,764,096.58
  5. Step 5: Solve for x
    x = 178,764,096.58/13,026.80
  6. Step 6: Final answer
    x = 13,722.79

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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.