Home / 15,617.06-21,551.62-8,446.96

Finding the Fourth Proportional to 15,617.06, 21,551.62 and 8,446.96

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Solution

The fourth proportional to 15,617.06, 21,551.62 and 8,446.96 is: 11,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,617.06 : 21,551.62 = 8,446.96 : x
  2. Step 2: Convert to fraction form
    15,617.06/21,551.62 = 8,446.96/x
  3. Step 3: Cross multiply
    15,617.06x = 21,551.62 × 8,446.96
  4. Step 4: Simplify right side
    15,617.06x = 182,045,672.08
  5. Step 5: Solve for x
    x = 182,045,672.08/15,617.06
  6. Step 6: Final answer
    x = 11,656.85

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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.