Home / 13,499.99-20,249.93-3,640.26

Finding the Fourth Proportional to 13,499.99, 20,249.93 and 3,640.26

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Solution

The fourth proportional to 13,499.99, 20,249.93 and 3,640.26 is: 5,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,499.99 : 20,249.93 = 3,640.26 : x
  2. Step 2: Convert to fraction form
    13,499.99/20,249.93 = 3,640.26/x
  3. Step 3: Cross multiply
    13,499.99x = 20,249.93 × 3,640.26
  4. Step 4: Simplify right side
    13,499.99x = 73,715,095.22
  5. Step 5: Solve for x
    x = 73,715,095.22/13,499.99
  6. Step 6: Final answer
    x = 5,460.38

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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.