Home / 11,292.53-16,938.99-5,431.37

Finding the Fourth Proportional to 11,292.53, 16,938.99 and 5,431.37

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Solution

The fourth proportional to 11,292.53, 16,938.99 and 5,431.37 is: 8,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,292.53 : 16,938.99 = 5,431.37 : x
  2. Step 2: Convert to fraction form
    11,292.53/16,938.99 = 5,431.37/x
  3. Step 3: Cross multiply
    11,292.53x = 16,938.99 × 5,431.37
  4. Step 4: Simplify right side
    11,292.53x = 92,001,837.42
  5. Step 5: Solve for x
    x = 92,001,837.42/11,292.53
  6. Step 6: Final answer
    x = 8,147.14

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Why These Related Problems?

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