Home / 13,997.45-20,893.76-12,336.74

Finding the Fourth Proportional to 13,997.45, 20,893.76 and 12,336.74

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Solution

The fourth proportional to 13,997.45, 20,893.76 and 12,336.74 is: 18,414.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.45 : 20,893.76 = 12,336.74 : x
  2. Step 2: Convert to fraction form
    13,997.45/20,893.76 = 12,336.74/x
  3. Step 3: Cross multiply
    13,997.45x = 20,893.76 × 12,336.74
  4. Step 4: Simplify right side
    13,997.45x = 257,760,823.06
  5. Step 5: Solve for x
    x = 257,760,823.06/13,997.45
  6. Step 6: Final answer
    x = 18,414.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.