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Finding the Fourth Proportional to 10,843.12, 16,250.98 and 9,239.32

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Solution

The fourth proportional to 10,843.12, 16,250.98 and 9,239.32 is: 13,847.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,843.12 : 16,250.98 = 9,239.32 : x
  2. Step 2: Convert to fraction form
    10,843.12/16,250.98 = 9,239.32/x
  3. Step 3: Cross multiply
    10,843.12x = 16,250.98 × 9,239.32
  4. Step 4: Simplify right side
    10,843.12x = 150,148,004.53
  5. Step 5: Solve for x
    x = 150,148,004.53/10,843.12
  6. Step 6: Final answer
    x = 13,847.31

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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.