Home / 11,480.04-17,216.40-3,687

Finding the Fourth Proportional to 11,480.04, 17,216.40 and 3,687

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Solution

The fourth proportional to 11,480.04, 17,216.40 and 3,687 is: 5,529.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.04 : 17,216.40 = 3,687 : x
  2. Step 2: Convert to fraction form
    11,480.04/17,216.40 = 3,687/x
  3. Step 3: Cross multiply
    11,480.04x = 17,216.40 × 3,687
  4. Step 4: Simplify right side
    11,480.04x = 63,476,866.80
  5. Step 5: Solve for x
    x = 63,476,866.80/11,480.04
  6. Step 6: Final answer
    x = 5,529.32

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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.