Home / 21,169.92-29,214.24-11,610.30

Finding the Fourth Proportional to 21,169.92, 29,214.24 and 11,610.30

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Solution

The fourth proportional to 21,169.92, 29,214.24 and 11,610.30 is: 16,022.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,169.92 : 29,214.24 = 11,610.30 : x
  2. Step 2: Convert to fraction form
    21,169.92/29,214.24 = 11,610.30/x
  3. Step 3: Cross multiply
    21,169.92x = 29,214.24 × 11,610.30
  4. Step 4: Simplify right side
    21,169.92x = 339,186,090.67
  5. Step 5: Solve for x
    x = 339,186,090.67/21,169.92
  6. Step 6: Final answer
    x = 16,022.08

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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.