Home / 15,942.78-23,886.44-11,188.86

Finding the Fourth Proportional to 15,942.78, 23,886.44 and 11,188.86

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Solution

The fourth proportional to 15,942.78, 23,886.44 and 11,188.86 is: 16,763.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.78 : 23,886.44 = 11,188.86 : x
  2. Step 2: Convert to fraction form
    15,942.78/23,886.44 = 11,188.86/x
  3. Step 3: Cross multiply
    15,942.78x = 23,886.44 × 11,188.86
  4. Step 4: Simplify right side
    15,942.78x = 267,262,033.06
  5. Step 5: Solve for x
    x = 267,262,033.06/15,942.78
  6. Step 6: Final answer
    x = 16,763.83

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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.