Home / 21,660.15-32,493.48-9,180.24

Finding the Fourth Proportional to 21,660.15, 32,493.48 and 9,180.24

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Solution

The fourth proportional to 21,660.15, 32,493.48 and 9,180.24 is: 13,771.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,660.15 : 32,493.48 = 9,180.24 : x
  2. Step 2: Convert to fraction form
    21,660.15/32,493.48 = 9,180.24/x
  3. Step 3: Cross multiply
    21,660.15x = 32,493.48 × 9,180.24
  4. Step 4: Simplify right side
    21,660.15x = 298,297,944.84
  5. Step 5: Solve for x
    x = 298,297,944.84/21,660.15
  6. Step 6: Final answer
    x = 13,771.74

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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.