Home / 13,546.24-20,322.42-7,306.12

Finding the Fourth Proportional to 13,546.24, 20,322.42 and 7,306.12

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Solution

The fourth proportional to 13,546.24, 20,322.42 and 7,306.12 is: 10,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.24 : 20,322.42 = 7,306.12 : x
  2. Step 2: Convert to fraction form
    13,546.24/20,322.42 = 7,306.12/x
  3. Step 3: Cross multiply
    13,546.24x = 20,322.42 × 7,306.12
  4. Step 4: Simplify right side
    13,546.24x = 148,478,039.21
  5. Step 5: Solve for x
    x = 148,478,039.21/13,546.24
  6. Step 6: Final answer
    x = 10,960.83

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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.