Home / 13,757.12-20,637.12-4,523.12

Finding the Fourth Proportional to 13,757.12, 20,637.12 and 4,523.12

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Solution

The fourth proportional to 13,757.12, 20,637.12 and 4,523.12 is: 6,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757.12 : 20,637.12 = 4,523.12 : x
  2. Step 2: Convert to fraction form
    13,757.12/20,637.12 = 4,523.12/x
  3. Step 3: Cross multiply
    13,757.12x = 20,637.12 × 4,523.12
  4. Step 4: Simplify right side
    13,757.12x = 93,344,170.21
  5. Step 5: Solve for x
    x = 93,344,170.21/13,757.12
  6. Step 6: Final answer
    x = 6,785.15

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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.