Home / 13,499.87-20,249.19-4,734.86

Finding the Fourth Proportional to 13,499.87, 20,249.19 and 4,734.86

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Solution

The fourth proportional to 13,499.87, 20,249.19 and 4,734.86 is: 7,102.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,499.87 : 20,249.19 = 4,734.86 : x
  2. Step 2: Convert to fraction form
    13,499.87/20,249.19 = 4,734.86/x
  3. Step 3: Cross multiply
    13,499.87x = 20,249.19 × 4,734.86
  4. Step 4: Simplify right side
    13,499.87x = 95,876,978.52
  5. Step 5: Solve for x
    x = 95,876,978.52/13,499.87
  6. Step 6: Final answer
    x = 7,102.07

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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.