Home / 20,123.32-30,183.24-9,027.04

Finding the Fourth Proportional to 20,123.32, 30,183.24 and 9,027.04

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Solution

The fourth proportional to 20,123.32, 30,183.24 and 9,027.04 is: 13,539.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,123.32 : 30,183.24 = 9,027.04 : x
  2. Step 2: Convert to fraction form
    20,123.32/30,183.24 = 9,027.04/x
  3. Step 3: Cross multiply
    20,123.32x = 30,183.24 × 9,027.04
  4. Step 4: Simplify right side
    20,123.32x = 272,465,314.81
  5. Step 5: Solve for x
    x = 272,465,314.81/20,123.32
  6. Step 6: Final answer
    x = 13,539.78

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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.