Home / 20,956.08-28,918.98-11,524.44

Finding the Fourth Proportional to 20,956.08, 28,918.98 and 11,524.44

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Solution

The fourth proportional to 20,956.08, 28,918.98 and 11,524.44 is: 15,903.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,956.08 : 28,918.98 = 11,524.44 : x
  2. Step 2: Convert to fraction form
    20,956.08/28,918.98 = 11,524.44/x
  3. Step 3: Cross multiply
    20,956.08x = 28,918.98 × 11,524.44
  4. Step 4: Simplify right side
    20,956.08x = 333,275,049.87
  5. Step 5: Solve for x
    x = 333,275,049.87/20,956.08
  6. Step 6: Final answer
    x = 15,903.50

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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.