Home / 13,500.36-20,249.42-5,709.32

Finding the Fourth Proportional to 13,500.36, 20,249.42 and 5,709.32

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Solution

The fourth proportional to 13,500.36, 20,249.42 and 5,709.32 is: 8,563.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.36 : 20,249.42 = 5,709.32 : x
  2. Step 2: Convert to fraction form
    13,500.36/20,249.42 = 5,709.32/x
  3. Step 3: Cross multiply
    13,500.36x = 20,249.42 × 5,709.32
  4. Step 4: Simplify right side
    13,500.36x = 115,610,418.59
  5. Step 5: Solve for x
    x = 115,610,418.59/13,500.36
  6. Step 6: Final answer
    x = 8,563.51

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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.