Home / 13,509.25-20,262.29-3,649.30

Finding the Fourth Proportional to 13,509.25, 20,262.29 and 3,649.30

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Solution

The fourth proportional to 13,509.25, 20,262.29 and 3,649.30 is: 5,473.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,509.25 : 20,262.29 = 3,649.30 : x
  2. Step 2: Convert to fraction form
    13,509.25/20,262.29 = 3,649.30/x
  3. Step 3: Cross multiply
    13,509.25x = 20,262.29 × 3,649.30
  4. Step 4: Simplify right side
    13,509.25x = 73,943,105.99
  5. Step 5: Solve for x
    x = 73,943,105.99/13,509.25
  6. Step 6: Final answer
    x = 5,473.52

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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.