Home / 21,174.30-29,218.58-11,741.04

Finding the Fourth Proportional to 21,174.30, 29,218.58 and 11,741.04

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Solution

The fourth proportional to 21,174.30, 29,218.58 and 11,741.04 is: 16,201.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,174.30 : 29,218.58 = 11,741.04 : x
  2. Step 2: Convert to fraction form
    21,174.30/29,218.58 = 11,741.04/x
  3. Step 3: Cross multiply
    21,174.30x = 29,218.58 × 11,741.04
  4. Step 4: Simplify right side
    21,174.30x = 343,056,516.52
  5. Step 5: Solve for x
    x = 343,056,516.52/21,174.30
  6. Step 6: Final answer
    x = 16,201.55

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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.