Home / 9,147.15-13,720.73-3,301.38

Finding the Fourth Proportional to 9,147.15, 13,720.73 and 3,301.38

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Solution

The fourth proportional to 9,147.15, 13,720.73 and 3,301.38 is: 4,952.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.15 : 13,720.73 = 3,301.38 : x
  2. Step 2: Convert to fraction form
    9,147.15/13,720.73 = 3,301.38/x
  3. Step 3: Cross multiply
    9,147.15x = 13,720.73 × 3,301.38
  4. Step 4: Simplify right side
    9,147.15x = 45,297,327.10
  5. Step 5: Solve for x
    x = 45,297,327.10/9,147.15
  6. Step 6: Final answer
    x = 4,952.07

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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.