Home / 10,427.25-15,640.98-2,636.07

Finding the Fourth Proportional to 10,427.25, 15,640.98 and 2,636.07

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Solution

The fourth proportional to 10,427.25, 15,640.98 and 2,636.07 is: 3,954.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.25 : 15,640.98 = 2,636.07 : x
  2. Step 2: Convert to fraction form
    10,427.25/15,640.98 = 2,636.07/x
  3. Step 3: Cross multiply
    10,427.25x = 15,640.98 × 2,636.07
  4. Step 4: Simplify right side
    10,427.25x = 41,230,718.15
  5. Step 5: Solve for x
    x = 41,230,718.15/10,427.25
  6. Step 6: Final answer
    x = 3,954.13

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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.