Home / 12,522.09-18,784.97-3,757.70

Finding the Fourth Proportional to 12,522.09, 18,784.97 and 3,757.70

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Solution

The fourth proportional to 12,522.09, 18,784.97 and 3,757.70 is: 5,637.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522.09 : 18,784.97 = 3,757.70 : x
  2. Step 2: Convert to fraction form
    12,522.09/18,784.97 = 3,757.70/x
  3. Step 3: Cross multiply
    12,522.09x = 18,784.97 × 3,757.70
  4. Step 4: Simplify right side
    12,522.09x = 70,588,169.06
  5. Step 5: Solve for x
    x = 70,588,169.06/12,522.09
  6. Step 6: Final answer
    x = 5,637.09

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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.