Home / 13,752.20-20,628.62-3,364.04

Finding the Fourth Proportional to 13,752.20, 20,628.62 and 3,364.04

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Solution

The fourth proportional to 13,752.20, 20,628.62 and 3,364.04 is: 5,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.20 : 20,628.62 = 3,364.04 : x
  2. Step 2: Convert to fraction form
    13,752.20/20,628.62 = 3,364.04/x
  3. Step 3: Cross multiply
    13,752.20x = 20,628.62 × 3,364.04
  4. Step 4: Simplify right side
    13,752.20x = 69,395,502.82
  5. Step 5: Solve for x
    x = 69,395,502.82/13,752.20
  6. Step 6: Final answer
    x = 5,046.14

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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.