Home / 22,704.40-34,004.72-13,450.96

Finding the Fourth Proportional to 22,704.40, 34,004.72 and 13,450.96

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Solution

The fourth proportional to 22,704.40, 34,004.72 and 13,450.96 is: 20,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.40 : 34,004.72 = 13,450.96 : x
  2. Step 2: Convert to fraction form
    22,704.40/34,004.72 = 13,450.96/x
  3. Step 3: Cross multiply
    22,704.40x = 34,004.72 × 13,450.96
  4. Step 4: Simplify right side
    22,704.40x = 457,396,128.53
  5. Step 5: Solve for x
    x = 457,396,128.53/22,704.40
  6. Step 6: Final answer
    x = 20,145.70

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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.