Home / 21,098.07-29,114.37-11,537.73

Finding the Fourth Proportional to 21,098.07, 29,114.37 and 11,537.73

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Solution

The fourth proportional to 21,098.07, 29,114.37 and 11,537.73 is: 15,921.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,098.07 : 29,114.37 = 11,537.73 : x
  2. Step 2: Convert to fraction form
    21,098.07/29,114.37 = 11,537.73/x
  3. Step 3: Cross multiply
    21,098.07x = 29,114.37 × 11,537.73
  4. Step 4: Simplify right side
    21,098.07x = 335,913,740.18
  5. Step 5: Solve for x
    x = 335,913,740.18/21,098.07
  6. Step 6: Final answer
    x = 15,921.54

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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.