Home / 10,121.66-15,182.43-2,725.47

Finding the Fourth Proportional to 10,121.66, 15,182.43 and 2,725.47

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Solution

The fourth proportional to 10,121.66, 15,182.43 and 2,725.47 is: 4,088.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.66 : 15,182.43 = 2,725.47 : x
  2. Step 2: Convert to fraction form
    10,121.66/15,182.43 = 2,725.47/x
  3. Step 3: Cross multiply
    10,121.66x = 15,182.43 × 2,725.47
  4. Step 4: Simplify right side
    10,121.66x = 41,379,257.49
  5. Step 5: Solve for x
    x = 41,379,257.49/10,121.66
  6. Step 6: Final answer
    x = 4,088.19

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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.