Home / 19,409.20-26,793.11-12,245.56

Finding the Fourth Proportional to 19,409.20, 26,793.11 and 12,245.56

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Solution

The fourth proportional to 19,409.20, 26,793.11 and 12,245.56 is: 16,904.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.20 : 26,793.11 = 12,245.56 : x
  2. Step 2: Convert to fraction form
    19,409.20/26,793.11 = 12,245.56/x
  3. Step 3: Cross multiply
    19,409.20x = 26,793.11 × 12,245.56
  4. Step 4: Simplify right side
    19,409.20x = 328,096,636.09
  5. Step 5: Solve for x
    x = 328,096,636.09/19,409.20
  6. Step 6: Final answer
    x = 16,904.18

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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.