Home / 13,716.06-20,538.96-9,493.47

Finding the Fourth Proportional to 13,716.06, 20,538.96 and 9,493.47

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Solution

The fourth proportional to 13,716.06, 20,538.96 and 9,493.47 is: 14,215.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.06 : 20,538.96 = 9,493.47 : x
  2. Step 2: Convert to fraction form
    13,716.06/20,538.96 = 9,493.47/x
  3. Step 3: Cross multiply
    13,716.06x = 20,538.96 × 9,493.47
  4. Step 4: Simplify right side
    13,716.06x = 194,985,887.97
  5. Step 5: Solve for x
    x = 194,985,887.97/13,716.06
  6. Step 6: Final answer
    x = 14,215.88

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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.