Home / 13,436.46-20,132.82-10,648.08

Finding the Fourth Proportional to 13,436.46, 20,132.82 and 10,648.08

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Solution

The fourth proportional to 13,436.46, 20,132.82 and 10,648.08 is: 15,954.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.46 : 20,132.82 = 10,648.08 : x
  2. Step 2: Convert to fraction form
    13,436.46/20,132.82 = 10,648.08/x
  3. Step 3: Cross multiply
    13,436.46x = 20,132.82 × 10,648.08
  4. Step 4: Simplify right side
    13,436.46x = 214,375,877.99
  5. Step 5: Solve for x
    x = 214,375,877.99/13,436.46
  6. Step 6: Final answer
    x = 15,954.79

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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.