Home / 13,499.62-20,249.61-4,734.79

Finding the Fourth Proportional to 13,499.62, 20,249.61 and 4,734.79

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Solution

The fourth proportional to 13,499.62, 20,249.61 and 4,734.79 is: 7,102.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,499.62 : 20,249.61 = 4,734.79 : x
  2. Step 2: Convert to fraction form
    13,499.62/20,249.61 = 4,734.79/x
  3. Step 3: Cross multiply
    13,499.62x = 20,249.61 × 4,734.79
  4. Step 4: Simplify right side
    13,499.62x = 95,877,650.93
  5. Step 5: Solve for x
    x = 95,877,650.93/13,499.62
  6. Step 6: Final answer
    x = 7,102.25

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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.