Home / 18,540.60-25,590.06-12,253.56

Finding the Fourth Proportional to 18,540.60, 25,590.06 and 12,253.56

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Solution

The fourth proportional to 18,540.60, 25,590.06 and 12,253.56 is: 16,912.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.60 : 25,590.06 = 12,253.56 : x
  2. Step 2: Convert to fraction form
    18,540.60/25,590.06 = 12,253.56/x
  3. Step 3: Cross multiply
    18,540.60x = 25,590.06 × 12,253.56
  4. Step 4: Simplify right side
    18,540.60x = 313,569,335.61
  5. Step 5: Solve for x
    x = 313,569,335.61/18,540.60
  6. Step 6: Final answer
    x = 16,912.58

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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.