Home / 14,949.72-20,631.96-8,236.68

Finding the Fourth Proportional to 14,949.72, 20,631.96 and 8,236.68

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Solution

The fourth proportional to 14,949.72, 20,631.96 and 8,236.68 is: 11,367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,949.72 : 20,631.96 = 8,236.68 : x
  2. Step 2: Convert to fraction form
    14,949.72/20,631.96 = 8,236.68/x
  3. Step 3: Cross multiply
    14,949.72x = 20,631.96 × 8,236.68
  4. Step 4: Simplify right side
    14,949.72x = 169,938,852.29
  5. Step 5: Solve for x
    x = 169,938,852.29/14,949.72
  6. Step 6: Final answer
    x = 11,367.36

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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.