Home / 13,614.44-20,412.77-5,721.99

Finding the Fourth Proportional to 13,614.44, 20,412.77 and 5,721.99

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Solution

The fourth proportional to 13,614.44, 20,412.77 and 5,721.99 is: 8,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.44 : 20,412.77 = 5,721.99 : x
  2. Step 2: Convert to fraction form
    13,614.44/20,412.77 = 5,721.99/x
  3. Step 3: Cross multiply
    13,614.44x = 20,412.77 × 5,721.99
  4. Step 4: Simplify right side
    13,614.44x = 116,801,637.20
  5. Step 5: Solve for x
    x = 116,801,637.20/13,614.44
  6. Step 6: Final answer
    x = 8,579.25

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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.