Home / 13,635.18-20,450.25-3,773.16

Finding the Fourth Proportional to 13,635.18, 20,450.25 and 3,773.16

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Solution

The fourth proportional to 13,635.18, 20,450.25 and 3,773.16 is: 5,659.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.18 : 20,450.25 = 3,773.16 : x
  2. Step 2: Convert to fraction form
    13,635.18/20,450.25 = 3,773.16/x
  3. Step 3: Cross multiply
    13,635.18x = 20,450.25 × 3,773.16
  4. Step 4: Simplify right side
    13,635.18x = 77,162,065.29
  5. Step 5: Solve for x
    x = 77,162,065.29/13,635.18
  6. Step 6: Final answer
    x = 5,659.04

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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.