Home / 21,660.60-32,453.92-11,782.24

Finding the Fourth Proportional to 21,660.60, 32,453.92 and 11,782.24

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Solution

The fourth proportional to 21,660.60, 32,453.92 and 11,782.24 is: 17,653.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,660.60 : 32,453.92 = 11,782.24 : x
  2. Step 2: Convert to fraction form
    21,660.60/32,453.92 = 11,782.24/x
  3. Step 3: Cross multiply
    21,660.60x = 32,453.92 × 11,782.24
  4. Step 4: Simplify right side
    21,660.60x = 382,379,874.38
  5. Step 5: Solve for x
    x = 382,379,874.38/21,660.60
  6. Step 6: Final answer
    x = 17,653.24

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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.