Home / 11,687.03-17,530.59-2,921.95

Finding the Fourth Proportional to 11,687.03, 17,530.59 and 2,921.95

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Solution

The fourth proportional to 11,687.03, 17,530.59 and 2,921.95 is: 4,382.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687.03 : 17,530.59 = 2,921.95 : x
  2. Step 2: Convert to fraction form
    11,687.03/17,530.59 = 2,921.95/x
  3. Step 3: Cross multiply
    11,687.03x = 17,530.59 × 2,921.95
  4. Step 4: Simplify right side
    11,687.03x = 51,223,507.45
  5. Step 5: Solve for x
    x = 51,223,507.45/11,687.03
  6. Step 6: Final answer
    x = 4,382.94

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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.