Home / 11,321.40-16,954.74-5,760.12

Finding the Fourth Proportional to 11,321.40, 16,954.74 and 5,760.12

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Solution

The fourth proportional to 11,321.40, 16,954.74 and 5,760.12 is: 8,626.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.40 : 16,954.74 = 5,760.12 : x
  2. Step 2: Convert to fraction form
    11,321.40/16,954.74 = 5,760.12/x
  3. Step 3: Cross multiply
    11,321.40x = 16,954.74 × 5,760.12
  4. Step 4: Simplify right side
    11,321.40x = 97,661,336.97
  5. Step 5: Solve for x
    x = 97,661,336.97/11,321.40
  6. Step 6: Final answer
    x = 8,626.26

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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.