Home / 13,553.33-20,319.57-6,884.34

Finding the Fourth Proportional to 13,553.33, 20,319.57 and 6,884.34

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Solution

The fourth proportional to 13,553.33, 20,319.57 and 6,884.34 is: 10,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.33 : 20,319.57 = 6,884.34 : x
  2. Step 2: Convert to fraction form
    13,553.33/20,319.57 = 6,884.34/x
  3. Step 3: Cross multiply
    13,553.33x = 20,319.57 × 6,884.34
  4. Step 4: Simplify right side
    13,553.33x = 139,886,832.75
  5. Step 5: Solve for x
    x = 139,886,832.75/13,553.33
  6. Step 6: Final answer
    x = 10,321.22

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1.5x scale

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.