Home / 20,202.08-30,269.70-10,327.77

Finding the Fourth Proportional to 20,202.08, 30,269.70 and 10,327.77

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Solution

The fourth proportional to 20,202.08, 30,269.70 and 10,327.77 is: 15,474.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.08 : 30,269.70 = 10,327.77 : x
  2. Step 2: Convert to fraction form
    20,202.08/30,269.70 = 10,327.77/x
  3. Step 3: Cross multiply
    20,202.08x = 30,269.70 × 10,327.77
  4. Step 4: Simplify right side
    20,202.08x = 312,618,601.06
  5. Step 5: Solve for x
    x = 312,618,601.06/20,202.08
  6. Step 6: Final answer
    x = 15,474.58

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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.