Home / 14,823.75-20,456.79-8,536.14

Finding the Fourth Proportional to 14,823.75, 20,456.79 and 8,536.14

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Solution

The fourth proportional to 14,823.75, 20,456.79 and 8,536.14 is: 11,779.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,823.75 : 20,456.79 = 8,536.14 : x
  2. Step 2: Convert to fraction form
    14,823.75/20,456.79 = 8,536.14/x
  3. Step 3: Cross multiply
    14,823.75x = 20,456.79 × 8,536.14
  4. Step 4: Simplify right side
    14,823.75x = 174,622,023.39
  5. Step 5: Solve for x
    x = 174,622,023.39/14,823.75
  6. Step 6: Final answer
    x = 11,779.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.