Home / 13,626.72-20,425.50-7,046.28

Finding the Fourth Proportional to 13,626.72, 20,425.50 and 7,046.28

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Solution

The fourth proportional to 13,626.72, 20,425.50 and 7,046.28 is: 10,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626.72 : 20,425.50 = 7,046.28 : x
  2. Step 2: Convert to fraction form
    13,626.72/20,425.50 = 7,046.28/x
  3. Step 3: Cross multiply
    13,626.72x = 20,425.50 × 7,046.28
  4. Step 4: Simplify right side
    13,626.72x = 143,923,792.14
  5. Step 5: Solve for x
    x = 143,923,792.14/13,626.72
  6. Step 6: Final answer
    x = 10,561.88

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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.