Home / 12,557.86-18,836.94-3,793.16

Finding the Fourth Proportional to 12,557.86, 18,836.94 and 3,793.16

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Solution

The fourth proportional to 12,557.86, 18,836.94 and 3,793.16 is: 5,689.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.86 : 18,836.94 = 3,793.16 : x
  2. Step 2: Convert to fraction form
    12,557.86/18,836.94 = 3,793.16/x
  3. Step 3: Cross multiply
    12,557.86x = 18,836.94 × 3,793.16
  4. Step 4: Simplify right side
    12,557.86x = 71,451,527.33
  5. Step 5: Solve for x
    x = 71,451,527.33/12,557.86
  6. Step 6: Final answer
    x = 5,689.79

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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.