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Finding the Fourth Proportional to 11,017.98, 15,204.84 and 5,982.20

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Solution

The fourth proportional to 11,017.98, 15,204.84 and 5,982.20 is: 8,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017.98 : 15,204.84 = 5,982.20 : x
  2. Step 2: Convert to fraction form
    11,017.98/15,204.84 = 5,982.20/x
  3. Step 3: Cross multiply
    11,017.98x = 15,204.84 × 5,982.20
  4. Step 4: Simplify right side
    11,017.98x = 90,958,393.85
  5. Step 5: Solve for x
    x = 90,958,393.85/11,017.98
  6. Step 6: Final answer
    x = 8,255.45

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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.