Home / 12,473.21-17,189.27-8,930.27

Finding the Fourth Proportional to 12,473.21, 17,189.27 and 8,930.27

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Solution

The fourth proportional to 12,473.21, 17,189.27 and 8,930.27 is: 12,306.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.21 : 17,189.27 = 8,930.27 : x
  2. Step 2: Convert to fraction form
    12,473.21/17,189.27 = 8,930.27/x
  3. Step 3: Cross multiply
    12,473.21x = 17,189.27 × 8,930.27
  4. Step 4: Simplify right side
    12,473.21x = 153,504,691.61
  5. Step 5: Solve for x
    x = 153,504,691.61/12,473.21
  6. Step 6: Final answer
    x = 12,306.76

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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.