Home / 21,042.96-29,037.60-11,610.24

Finding the Fourth Proportional to 21,042.96, 29,037.60 and 11,610.24

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Solution

The fourth proportional to 21,042.96, 29,037.60 and 11,610.24 is: 16,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,042.96 : 29,037.60 = 11,610.24 : x
  2. Step 2: Convert to fraction form
    21,042.96/29,037.60 = 11,610.24/x
  3. Step 3: Cross multiply
    21,042.96x = 29,037.60 × 11,610.24
  4. Step 4: Simplify right side
    21,042.96x = 337,133,505.02
  5. Step 5: Solve for x
    x = 337,133,505.02/21,042.96
  6. Step 6: Final answer
    x = 16,021.20

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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.