Home / 22,160.12-30,586.21-12,734.15

Finding the Fourth Proportional to 22,160.12, 30,586.21 and 12,734.15

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Solution

The fourth proportional to 22,160.12, 30,586.21 and 12,734.15 is: 17,576.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,160.12 : 30,586.21 = 12,734.15 : x
  2. Step 2: Convert to fraction form
    22,160.12/30,586.21 = 12,734.15/x
  3. Step 3: Cross multiply
    22,160.12x = 30,586.21 × 12,734.15
  4. Step 4: Simplify right side
    22,160.12x = 389,489,201.31
  5. Step 5: Solve for x
    x = 389,489,201.31/22,160.12
  6. Step 6: Final answer
    x = 17,576.14

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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.