Home / 18,968.58-26,171.56-12,251.76

Finding the Fourth Proportional to 18,968.58, 26,171.56 and 12,251.76

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Solution

The fourth proportional to 18,968.58, 26,171.56 and 12,251.76 is: 16,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968.58 : 26,171.56 = 12,251.76 : x
  2. Step 2: Convert to fraction form
    18,968.58/26,171.56 = 12,251.76/x
  3. Step 3: Cross multiply
    18,968.58x = 26,171.56 × 12,251.76
  4. Step 4: Simplify right side
    18,968.58x = 320,647,520.20
  5. Step 5: Solve for x
    x = 320,647,520.20/18,968.58
  6. Step 6: Final answer
    x = 16,904.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.