Home / 13,414.51-20,128.59-5,523.10

Finding the Fourth Proportional to 13,414.51, 20,128.59 and 5,523.10

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Solution

The fourth proportional to 13,414.51, 20,128.59 and 5,523.10 is: 8,287.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.51 : 20,128.59 = 5,523.10 : x
  2. Step 2: Convert to fraction form
    13,414.51/20,128.59 = 5,523.10/x
  3. Step 3: Cross multiply
    13,414.51x = 20,128.59 × 5,523.10
  4. Step 4: Simplify right side
    13,414.51x = 111,172,215.43
  5. Step 5: Solve for x
    x = 111,172,215.43/13,414.51
  6. Step 6: Final answer
    x = 8,287.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.