Home / 21,544.92-29,737.26-13,168.44

Finding the Fourth Proportional to 21,544.92, 29,737.26 and 13,168.44

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Solution

The fourth proportional to 21,544.92, 29,737.26 and 13,168.44 is: 18,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,544.92 : 29,737.26 = 13,168.44 : x
  2. Step 2: Convert to fraction form
    21,544.92/29,737.26 = 13,168.44/x
  3. Step 3: Cross multiply
    21,544.92x = 29,737.26 × 13,168.44
  4. Step 4: Simplify right side
    21,544.92x = 391,593,324.07
  5. Step 5: Solve for x
    x = 391,593,324.07/21,544.92
  6. Step 6: Final answer
    x = 18,175.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.