Home / 20,003.56-30,011.82-9,616.12

Finding the Fourth Proportional to 20,003.56, 30,011.82 and 9,616.12

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Solution

The fourth proportional to 20,003.56, 30,011.82 and 9,616.12 is: 14,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.56 : 30,011.82 = 9,616.12 : x
  2. Step 2: Convert to fraction form
    20,003.56/30,011.82 = 9,616.12/x
  3. Step 3: Cross multiply
    20,003.56x = 30,011.82 × 9,616.12
  4. Step 4: Simplify right side
    20,003.56x = 288,597,262.54
  5. Step 5: Solve for x
    x = 288,597,262.54/20,003.56
  6. Step 6: Final answer
    x = 14,427.30

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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.