Home / 11,517.57-17,281.22-5,674.23

Finding the Fourth Proportional to 11,517.57, 17,281.22 and 5,674.23

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Solution

The fourth proportional to 11,517.57, 17,281.22 and 5,674.23 is: 8,513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.57 : 17,281.22 = 5,674.23 : x
  2. Step 2: Convert to fraction form
    11,517.57/17,281.22 = 5,674.23/x
  3. Step 3: Cross multiply
    11,517.57x = 17,281.22 × 5,674.23
  4. Step 4: Simplify right side
    11,517.57x = 98,057,588.59
  5. Step 5: Solve for x
    x = 98,057,588.59/11,517.57
  6. Step 6: Final answer
    x = 8,513.74

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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.