Home / 9,172.53-13,761.09-4,245.71

Finding the Fourth Proportional to 9,172.53, 13,761.09 and 4,245.71

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Solution

The fourth proportional to 9,172.53, 13,761.09 and 4,245.71 is: 6,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.53 : 13,761.09 = 4,245.71 : x
  2. Step 2: Convert to fraction form
    9,172.53/13,761.09 = 4,245.71/x
  3. Step 3: Cross multiply
    9,172.53x = 13,761.09 × 4,245.71
  4. Step 4: Simplify right side
    9,172.53x = 58,425,528.62
  5. Step 5: Solve for x
    x = 58,425,528.62/9,172.53
  6. Step 6: Final answer
    x = 6,369.62

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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.