Home / 21,380.04-32,082.24-11,519.16

Finding the Fourth Proportional to 21,380.04, 32,082.24 and 11,519.16

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Solution

The fourth proportional to 21,380.04, 32,082.24 and 11,519.16 is: 17,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,380.04 : 32,082.24 = 11,519.16 : x
  2. Step 2: Convert to fraction form
    21,380.04/32,082.24 = 11,519.16/x
  3. Step 3: Cross multiply
    21,380.04x = 32,082.24 × 11,519.16
  4. Step 4: Simplify right side
    21,380.04x = 369,560,455.72
  5. Step 5: Solve for x
    x = 369,560,455.72/21,380.04
  6. Step 6: Final answer
    x = 17,285.30

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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.