Home / 11,017.90-15,204.89-5,982.12

Finding the Fourth Proportional to 11,017.90, 15,204.89 and 5,982.12

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Solution

The fourth proportional to 11,017.90, 15,204.89 and 5,982.12 is: 8,255.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017.90 : 15,204.89 = 5,982.12 : x
  2. Step 2: Convert to fraction form
    11,017.90/15,204.89 = 5,982.12/x
  3. Step 3: Cross multiply
    11,017.90x = 15,204.89 × 5,982.12
  4. Step 4: Simplify right side
    11,017.90x = 90,957,446.66
  5. Step 5: Solve for x
    x = 90,957,446.66/11,017.90
  6. Step 6: Final answer
    x = 8,255.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.