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Finding the Fourth Proportional to 10,560.98, 15,843.54 and 3,164.88

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Solution

The fourth proportional to 10,560.98, 15,843.54 and 3,164.88 is: 4,747.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560.98 : 15,843.54 = 3,164.88 : x
  2. Step 2: Convert to fraction form
    10,560.98/15,843.54 = 3,164.88/x
  3. Step 3: Cross multiply
    10,560.98x = 15,843.54 × 3,164.88
  4. Step 4: Simplify right side
    10,560.98x = 50,142,902.88
  5. Step 5: Solve for x
    x = 50,142,902.88/10,560.98
  6. Step 6: Final answer
    x = 4,747.94

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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.