Home / 12,394.38-18,566.46-6,135.52

Finding the Fourth Proportional to 12,394.38, 18,566.46 and 6,135.52

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Solution

The fourth proportional to 12,394.38, 18,566.46 and 6,135.52 is: 9,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394.38 : 18,566.46 = 6,135.52 : x
  2. Step 2: Convert to fraction form
    12,394.38/18,566.46 = 6,135.52/x
  3. Step 3: Cross multiply
    12,394.38x = 18,566.46 × 6,135.52
  4. Step 4: Simplify right side
    12,394.38x = 113,914,886.66
  5. Step 5: Solve for x
    x = 113,914,886.66/12,394.38
  6. Step 6: Final answer
    x = 9,190.85

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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.