Home / 21,226.38-29,292.68-11,667.30

Finding the Fourth Proportional to 21,226.38, 29,292.68 and 11,667.30

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Solution

The fourth proportional to 21,226.38, 29,292.68 and 11,667.30 is: 16,101.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,226.38 : 29,292.68 = 11,667.30 : x
  2. Step 2: Convert to fraction form
    21,226.38/29,292.68 = 11,667.30/x
  3. Step 3: Cross multiply
    21,226.38x = 29,292.68 × 11,667.30
  4. Step 4: Simplify right side
    21,226.38x = 341,766,485.36
  5. Step 5: Solve for x
    x = 341,766,485.36/21,226.38
  6. Step 6: Final answer
    x = 16,101.03

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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.