Home / 11,471.48-17,205.60-3,679.28

Finding the Fourth Proportional to 11,471.48, 17,205.60 and 3,679.28

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Solution

The fourth proportional to 11,471.48, 17,205.60 and 3,679.28 is: 5,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,471.48 : 17,205.60 = 3,679.28 : x
  2. Step 2: Convert to fraction form
    11,471.48/17,205.60 = 3,679.28/x
  3. Step 3: Cross multiply
    11,471.48x = 17,205.60 × 3,679.28
  4. Step 4: Simplify right side
    11,471.48x = 63,304,219.97
  5. Step 5: Solve for x
    x = 63,304,219.97/11,471.48
  6. Step 6: Final answer
    x = 5,518.40

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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.