Home / 11,428.03-17,143.26-3,108.18

Finding the Fourth Proportional to 11,428.03, 17,143.26 and 3,108.18

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Solution

The fourth proportional to 11,428.03, 17,143.26 and 3,108.18 is: 4,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,428.03 : 17,143.26 = 3,108.18 : x
  2. Step 2: Convert to fraction form
    11,428.03/17,143.26 = 3,108.18/x
  3. Step 3: Cross multiply
    11,428.03x = 17,143.26 × 3,108.18
  4. Step 4: Simplify right side
    11,428.03x = 53,284,337.87
  5. Step 5: Solve for x
    x = 53,284,337.87/11,428.03
  6. Step 6: Final answer
    x = 4,662.60

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1.5x scale

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.