Home / 11,517.84-17,278.44-5,674.80

Finding the Fourth Proportional to 11,517.84, 17,278.44 and 5,674.80

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Solution

The fourth proportional to 11,517.84, 17,278.44 and 5,674.80 is: 8,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.84 : 17,278.44 = 5,674.80 : x
  2. Step 2: Convert to fraction form
    11,517.84/17,278.44 = 5,674.80/x
  3. Step 3: Cross multiply
    11,517.84x = 17,278.44 × 5,674.80
  4. Step 4: Simplify right side
    11,517.84x = 98,051,691.31
  5. Step 5: Solve for x
    x = 98,051,691.31/11,517.84
  6. Step 6: Final answer
    x = 8,513.03

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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.