Home / 21,207.44-29,268.84-11,777.04

Finding the Fourth Proportional to 21,207.44, 29,268.84 and 11,777.04

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Solution

The fourth proportional to 21,207.44, 29,268.84 and 11,777.04 is: 16,253.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,207.44 : 29,268.84 = 11,777.04 : x
  2. Step 2: Convert to fraction form
    21,207.44/29,268.84 = 11,777.04/x
  3. Step 3: Cross multiply
    21,207.44x = 29,268.84 × 11,777.04
  4. Step 4: Simplify right side
    21,207.44x = 344,700,299.43
  5. Step 5: Solve for x
    x = 344,700,299.43/21,207.44
  6. Step 6: Final answer
    x = 16,253.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.