Home / 14,431.89-21,631.42-6,106.71

Finding the Fourth Proportional to 14,431.89, 21,631.42 and 6,106.71

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Solution

The fourth proportional to 14,431.89, 21,631.42 and 6,106.71 is: 9,153.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431.89 : 21,631.42 = 6,106.71 : x
  2. Step 2: Convert to fraction form
    14,431.89/21,631.42 = 6,106.71/x
  3. Step 3: Cross multiply
    14,431.89x = 21,631.42 × 6,106.71
  4. Step 4: Simplify right side
    14,431.89x = 132,096,775.90
  5. Step 5: Solve for x
    x = 132,096,775.90/14,431.89
  6. Step 6: Final answer
    x = 9,153.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.