Home / 10,118.52-15,175.95-2,721.26

Finding the Fourth Proportional to 10,118.52, 15,175.95 and 2,721.26

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Solution

The fourth proportional to 10,118.52, 15,175.95 and 2,721.26 is: 4,081.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.52 : 15,175.95 = 2,721.26 : x
  2. Step 2: Convert to fraction form
    10,118.52/15,175.95 = 2,721.26/x
  3. Step 3: Cross multiply
    10,118.52x = 15,175.95 × 2,721.26
  4. Step 4: Simplify right side
    10,118.52x = 41,297,629.82
  5. Step 5: Solve for x
    x = 41,297,629.82/10,118.52
  6. Step 6: Final answer
    x = 4,081.39

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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.