Home / 20,372.96-30,560.52-7,226.72

Finding the Fourth Proportional to 20,372.96, 30,560.52 and 7,226.72

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Solution

The fourth proportional to 20,372.96, 30,560.52 and 7,226.72 is: 10,840.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,372.96 : 30,560.52 = 7,226.72 : x
  2. Step 2: Convert to fraction form
    20,372.96/30,560.52 = 7,226.72/x
  3. Step 3: Cross multiply
    20,372.96x = 30,560.52 × 7,226.72
  4. Step 4: Simplify right side
    20,372.96x = 220,852,321.09
  5. Step 5: Solve for x
    x = 220,852,321.09/20,372.96
  6. Step 6: Final answer
    x = 10,840.46

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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.