Home / 11,528.87-17,291.59-3,208.02

Finding the Fourth Proportional to 11,528.87, 17,291.59 and 3,208.02

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Solution

The fourth proportional to 11,528.87, 17,291.59 and 3,208.02 is: 4,811.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.87 : 17,291.59 = 3,208.02 : x
  2. Step 2: Convert to fraction form
    11,528.87/17,291.59 = 3,208.02/x
  3. Step 3: Cross multiply
    11,528.87x = 17,291.59 × 3,208.02
  4. Step 4: Simplify right side
    11,528.87x = 55,471,758.53
  5. Step 5: Solve for x
    x = 55,471,758.53/11,528.87
  6. Step 6: Final answer
    x = 4,811.55

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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.