Home / 12,269.39-18,402.26-4,476.38

Finding the Fourth Proportional to 12,269.39, 18,402.26 and 4,476.38

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Solution

The fourth proportional to 12,269.39, 18,402.26 and 4,476.38 is: 6,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.39 : 18,402.26 = 4,476.38 : x
  2. Step 2: Convert to fraction form
    12,269.39/18,402.26 = 4,476.38/x
  3. Step 3: Cross multiply
    12,269.39x = 18,402.26 × 4,476.38
  4. Step 4: Simplify right side
    12,269.39x = 82,375,394.23
  5. Step 5: Solve for x
    x = 82,375,394.23/12,269.39
  6. Step 6: Final answer
    x = 6,713.90

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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.