Home / 15,453.62-23,142.62-13,956.02

Finding the Fourth Proportional to 15,453.62, 23,142.62 and 13,956.02

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Solution

The fourth proportional to 15,453.62, 23,142.62 and 13,956.02 is: 20,899.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453.62 : 23,142.62 = 13,956.02 : x
  2. Step 2: Convert to fraction form
    15,453.62/23,142.62 = 13,956.02/x
  3. Step 3: Cross multiply
    15,453.62x = 23,142.62 × 13,956.02
  4. Step 4: Simplify right side
    15,453.62x = 322,978,867.57
  5. Step 5: Solve for x
    x = 322,978,867.57/15,453.62
  6. Step 6: Final answer
    x = 20,899.88

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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.