Home / 13,550.26-20,324.99-3,689.22

Finding the Fourth Proportional to 13,550.26, 20,324.99 and 3,689.22

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Solution

The fourth proportional to 13,550.26, 20,324.99 and 3,689.22 is: 5,533.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.26 : 20,324.99 = 3,689.22 : x
  2. Step 2: Convert to fraction form
    13,550.26/20,324.99 = 3,689.22/x
  3. Step 3: Cross multiply
    13,550.26x = 20,324.99 × 3,689.22
  4. Step 4: Simplify right side
    13,550.26x = 74,983,359.61
  5. Step 5: Solve for x
    x = 74,983,359.61/13,550.26
  6. Step 6: Final answer
    x = 5,533.72

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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.