Home / 9,172.21-13,748.90-3,623.31

Finding the Fourth Proportional to 9,172.21, 13,748.90 and 3,623.31

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Solution

The fourth proportional to 9,172.21, 13,748.90 and 3,623.31 is: 5,431.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.21 : 13,748.90 = 3,623.31 : x
  2. Step 2: Convert to fraction form
    9,172.21/13,748.90 = 3,623.31/x
  3. Step 3: Cross multiply
    9,172.21x = 13,748.90 × 3,623.31
  4. Step 4: Simplify right side
    9,172.21x = 49,816,526.86
  5. Step 5: Solve for x
    x = 49,816,526.86/9,172.21
  6. Step 6: Final answer
    x = 5,431.25

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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.