Home / 13,670.64-20,496.24-6,546.72

Finding the Fourth Proportional to 13,670.64, 20,496.24 and 6,546.72

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Solution

The fourth proportional to 13,670.64, 20,496.24 and 6,546.72 is: 9,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,670.64 : 20,496.24 = 6,546.72 : x
  2. Step 2: Convert to fraction form
    13,670.64/20,496.24 = 6,546.72/x
  3. Step 3: Cross multiply
    13,670.64x = 20,496.24 × 6,546.72
  4. Step 4: Simplify right side
    13,670.64x = 134,183,144.33
  5. Step 5: Solve for x
    x = 134,183,144.33/13,670.64
  6. Step 6: Final answer
    x = 9,815.43

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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.