Home / 13,793.30-20,690.04-9,399.86

Finding the Fourth Proportional to 13,793.30, 20,690.04 and 9,399.86

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Solution

The fourth proportional to 13,793.30, 20,690.04 and 9,399.86 is: 14,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.30 : 20,690.04 = 9,399.86 : x
  2. Step 2: Convert to fraction form
    13,793.30/20,690.04 = 9,399.86/x
  3. Step 3: Cross multiply
    13,793.30x = 20,690.04 × 9,399.86
  4. Step 4: Simplify right side
    13,793.30x = 194,483,479.39
  5. Step 5: Solve for x
    x = 194,483,479.39/13,793.30
  6. Step 6: Final answer
    x = 14,099.85

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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.