Home / 13,553.92-20,322.19-6,519.93

Finding the Fourth Proportional to 13,553.92, 20,322.19 and 6,519.93

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Solution

The fourth proportional to 13,553.92, 20,322.19 and 6,519.93 is: 9,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.92 : 20,322.19 = 6,519.93 : x
  2. Step 2: Convert to fraction form
    13,553.92/20,322.19 = 6,519.93/x
  3. Step 3: Cross multiply
    13,553.92x = 20,322.19 × 6,519.93
  4. Step 4: Simplify right side
    13,553.92x = 132,499,188.19
  5. Step 5: Solve for x
    x = 132,499,188.19/13,553.92
  6. Step 6: Final answer
    x = 9,775.71

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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.