Home / 18,160.44-27,188.68-12,306.64

Finding the Fourth Proportional to 18,160.44, 27,188.68 and 12,306.64

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Solution

The fourth proportional to 18,160.44, 27,188.68 and 12,306.64 is: 18,424.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.44 : 27,188.68 = 12,306.64 : x
  2. Step 2: Convert to fraction form
    18,160.44/27,188.68 = 12,306.64/x
  3. Step 3: Cross multiply
    18,160.44x = 27,188.68 × 12,306.64
  4. Step 4: Simplify right side
    18,160.44x = 334,601,296.84
  5. Step 5: Solve for x
    x = 334,601,296.84/18,160.44
  6. Step 6: Final answer
    x = 18,424.74

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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.